Home / 249,416.20-373,670.70-143,921.80

Finding the Fourth Proportional to 249,416.20, 373,670.70 and 143,921.80

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Solution

The fourth proportional to 249,416.20, 373,670.70 and 143,921.80 is: 215,620.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,416.20 : 373,670.70 = 143,921.80 : x
  2. Step 2: Convert to fraction form
    249,416.20/373,670.70 = 143,921.80/x
  3. Step 3: Cross multiply
    249,416.20x = 373,670.70 × 143,921.80
  4. Step 4: Simplify right side
    249,416.20x = 53,779,359,751.26
  5. Step 5: Solve for x
    x = 53,779,359,751.26/249,416.20
  6. Step 6: Final answer
    x = 215,620.96

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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.