Home / 307,743.71-424,757.18-180,460.31

Finding the Fourth Proportional to 307,743.71, 424,757.18 and 180,460.31

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Solution

The fourth proportional to 307,743.71, 424,757.18 and 180,460.31 is: 249,076.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,743.71 : 424,757.18 = 180,460.31 : x
  2. Step 2: Convert to fraction form
    307,743.71/424,757.18 = 180,460.31/x
  3. Step 3: Cross multiply
    307,743.71x = 424,757.18 × 180,460.31
  4. Step 4: Simplify right side
    307,743.71x = 76,651,813,890.57
  5. Step 5: Solve for x
    x = 76,651,813,890.57/307,743.71
  6. Step 6: Final answer
    x = 249,076.78

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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.