Home / 284,268.10-425,840.55-144,127.30

Finding the Fourth Proportional to 284,268.10, 425,840.55 and 144,127.30

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Solution

The fourth proportional to 284,268.10, 425,840.55 and 144,127.30 is: 215,906.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,268.10 : 425,840.55 = 144,127.30 : x
  2. Step 2: Convert to fraction form
    284,268.10/425,840.55 = 144,127.30/x
  3. Step 3: Cross multiply
    284,268.10x = 425,840.55 × 144,127.30
  4. Step 4: Simplify right side
    284,268.10x = 61,375,248,702.02
  5. Step 5: Solve for x
    x = 61,375,248,702.02/284,268.10
  6. Step 6: Final answer
    x = 215,906.21

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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.