Home / 284,056.13-392,005.66-156,739.92

Finding the Fourth Proportional to 284,056.13, 392,005.66 and 156,739.92

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Solution

The fourth proportional to 284,056.13, 392,005.66 and 156,739.92 is: 216,305.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,056.13 : 392,005.66 = 156,739.92 : x
  2. Step 2: Convert to fraction form
    284,056.13/392,005.66 = 156,739.92/x
  3. Step 3: Cross multiply
    284,056.13x = 392,005.66 × 156,739.92
  4. Step 4: Simplify right side
    284,056.13x = 61,442,935,787.95
  5. Step 5: Solve for x
    x = 61,442,935,787.95/284,056.13
  6. Step 6: Final answer
    x = 216,305.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.