Home / 387,614.80-581,184.06-150,681.30

Finding the Fourth Proportional to 387,614.80, 581,184.06 and 150,681.30

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Solution

The fourth proportional to 387,614.80, 581,184.06 and 150,681.30 is: 225,929.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,614.80 : 581,184.06 = 150,681.30 : x
  2. Step 2: Convert to fraction form
    387,614.80/581,184.06 = 150,681.30/x
  3. Step 3: Cross multiply
    387,614.80x = 581,184.06 × 150,681.30
  4. Step 4: Simplify right side
    387,614.80x = 87,573,569,700.08
  5. Step 5: Solve for x
    x = 87,573,569,700.08/387,614.80
  6. Step 6: Final answer
    x = 225,929.38

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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.