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Finding the Fourth Proportional to 387,952.92, 581,551.92 and 185,496.36

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Solution

The fourth proportional to 387,952.92, 581,551.92 and 185,496.36 is: 278,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,952.92 : 581,551.92 = 185,496.36 : x
  2. Step 2: Convert to fraction form
    387,952.92/581,551.92 = 185,496.36/x
  3. Step 3: Cross multiply
    387,952.92x = 581,551.92 × 185,496.36
  4. Step 4: Simplify right side
    387,952.92x = 107,875,764,311.01
  5. Step 5: Solve for x
    x = 107,875,764,311.01/387,952.92
  6. Step 6: Final answer
    x = 278,064.06

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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.