Home / 384,964.20-531,066.06-249,040.80

Finding the Fourth Proportional to 384,964.20, 531,066.06 and 249,040.80

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Solution

The fourth proportional to 384,964.20, 531,066.06 and 249,040.80 is: 343,556.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,964.20 : 531,066.06 = 249,040.80 : x
  2. Step 2: Convert to fraction form
    384,964.20/531,066.06 = 249,040.80/x
  3. Step 3: Cross multiply
    384,964.20x = 531,066.06 × 249,040.80
  4. Step 4: Simplify right side
    384,964.20x = 132,257,116,435.25
  5. Step 5: Solve for x
    x = 132,257,116,435.25/384,964.20
  6. Step 6: Final answer
    x = 343,556.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.