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Finding the Fourth Proportional to 487,457.46, 730,918.17 and 150,406.20

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Solution

The fourth proportional to 487,457.46, 730,918.17 and 150,406.20 is: 225,526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,457.46 : 730,918.17 = 150,406.20 : x
  2. Step 2: Convert to fraction form
    487,457.46/730,918.17 = 150,406.20/x
  3. Step 3: Cross multiply
    487,457.46x = 730,918.17 × 150,406.20
  4. Step 4: Simplify right side
    487,457.46x = 109,934,624,460.65
  5. Step 5: Solve for x
    x = 109,934,624,460.65/487,457.46
  6. Step 6: Final answer
    x = 225,526.60

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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.