Home / 284,557.30-426,857.55-84,862.06

Finding the Fourth Proportional to 284,557.30, 426,857.55 and 84,862.06

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Solution

The fourth proportional to 284,557.30, 426,857.55 and 84,862.06 is: 127,299.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,557.30 : 426,857.55 = 84,862.06 : x
  2. Step 2: Convert to fraction form
    284,557.30/426,857.55 = 84,862.06/x
  3. Step 3: Cross multiply
    284,557.30x = 426,857.55 × 84,862.06
  4. Step 4: Simplify right side
    284,557.30x = 36,224,011,019.55
  5. Step 5: Solve for x
    x = 36,224,011,019.55/284,557.30
  6. Step 6: Final answer
    x = 127,299.53

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1.5x scale

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.