Home / 248,833,287.20-373,249,930.80-218,600,199.20

Finding the Fourth Proportional to 248,833,287.20, 373,249,930.80 and 218,600,199.20

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Solution

The fourth proportional to 248,833,287.20, 373,249,930.80 and 218,600,199.20 is: 327,900,298.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,833,287.20 : 373,249,930.80 = 218,600,199.20 : x
  2. Step 2: Convert to fraction form
    248,833,287.20/373,249,930.80 = 218,600,199.20/x
  3. Step 3: Cross multiply
    248,833,287.20x = 373,249,930.80 × 218,600,199.20
  4. Step 4: Simplify right side
    248,833,287.20x = 81,592,509,224,266,208
  5. Step 5: Solve for x
    x = 81,592,509,224,266,208/248,833,287.20
  6. Step 6: Final answer
    x = 327,900,298.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.