Home / 284,862.48-427,278.06-85,184.52

Finding the Fourth Proportional to 284,862.48, 427,278.06 and 85,184.52

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Solution

The fourth proportional to 284,862.48, 427,278.06 and 85,184.52 is: 127,772.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,862.48 : 427,278.06 = 85,184.52 : x
  2. Step 2: Convert to fraction form
    284,862.48/427,278.06 = 85,184.52/x
  3. Step 3: Cross multiply
    284,862.48x = 427,278.06 × 85,184.52
  4. Step 4: Simplify right side
    284,862.48x = 36,397,476,447.63
  5. Step 5: Solve for x
    x = 36,397,476,447.63/284,862.48
  6. Step 6: Final answer
    x = 127,772.10

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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.