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Finding the Fourth Proportional to 387,374.94, 581,046.57 and 106,885.02

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Solution

The fourth proportional to 387,374.94, 581,046.57 and 106,885.02 is: 160,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,374.94 : 581,046.57 = 106,885.02 : x
  2. Step 2: Convert to fraction form
    387,374.94/581,046.57 = 106,885.02/x
  3. Step 3: Cross multiply
    387,374.94x = 581,046.57 × 106,885.02
  4. Step 4: Simplify right side
    387,374.94x = 62,105,174,255.38
  5. Step 5: Solve for x
    x = 62,105,174,255.38/387,374.94
  6. Step 6: Final answer
    x = 160,323.16

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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.