Home / 242,487.08-363,731.34-84,715.55

Finding the Fourth Proportional to 242,487.08, 363,731.34 and 84,715.55

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Solution

The fourth proportional to 242,487.08, 363,731.34 and 84,715.55 is: 127,073.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,487.08 : 363,731.34 = 84,715.55 : x
  2. Step 2: Convert to fraction form
    242,487.08/363,731.34 = 84,715.55/x
  3. Step 3: Cross multiply
    242,487.08x = 363,731.34 × 84,715.55
  4. Step 4: Simplify right side
    242,487.08x = 30,813,700,520.34
  5. Step 5: Solve for x
    x = 30,813,700,520.34/242,487.08
  6. Step 6: Final answer
    x = 127,073.58

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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.