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Finding the Fourth Proportional to 604,395.43, 906,281.15 and 177,875.91

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Solution

The fourth proportional to 604,395.43, 906,281.15 and 177,875.91 is: 266,722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,395.43 : 906,281.15 = 177,875.91 : x
  2. Step 2: Convert to fraction form
    604,395.43/906,281.15 = 177,875.91/x
  3. Step 3: Cross multiply
    604,395.43x = 906,281.15 × 177,875.91
  4. Step 4: Simplify right side
    604,395.43x = 161,205,583,382.72
  5. Step 5: Solve for x
    x = 161,205,583,382.72/604,395.43
  6. Step 6: Final answer
    x = 266,722.04

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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.