Home / 387,140.31-579,776.05-232,822.52

Finding the Fourth Proportional to 387,140.31, 579,776.05 and 232,822.52

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Solution

The fourth proportional to 387,140.31, 579,776.05 and 232,822.52 is: 348,671.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,140.31 : 579,776.05 = 232,822.52 : x
  2. Step 2: Convert to fraction form
    387,140.31/579,776.05 = 232,822.52/x
  3. Step 3: Cross multiply
    387,140.31x = 579,776.05 × 232,822.52
  4. Step 4: Simplify right side
    387,140.31x = 134,984,919,253.33
  5. Step 5: Solve for x
    x = 134,984,919,253.33/387,140.31
  6. Step 6: Final answer
    x = 348,671.83

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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.