Home / 284,822.92-427,444.65-135,063.72

Finding the Fourth Proportional to 284,822.92, 427,444.65 and 135,063.72

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Solution

The fourth proportional to 284,822.92, 427,444.65 and 135,063.72 is: 202,695.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,822.92 : 427,444.65 = 135,063.72 : x
  2. Step 2: Convert to fraction form
    284,822.92/427,444.65 = 135,063.72/x
  3. Step 3: Cross multiply
    284,822.92x = 427,444.65 × 135,063.72
  4. Step 4: Simplify right side
    284,822.92x = 57,732,264,523.10
  5. Step 5: Solve for x
    x = 57,732,264,523.10/284,822.92
  6. Step 6: Final answer
    x = 202,695.29

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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.