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Finding the Fourth Proportional to 242,397.66, 363,598.92 and 84,630.18

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Solution

The fourth proportional to 242,397.66, 363,598.92 and 84,630.18 is: 126,946.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,397.66 : 363,598.92 = 84,630.18 : x
  2. Step 2: Convert to fraction form
    242,397.66/363,598.92 = 84,630.18/x
  3. Step 3: Cross multiply
    242,397.66x = 363,598.92 × 84,630.18
  4. Step 4: Simplify right side
    242,397.66x = 30,771,442,047.41
  5. Step 5: Solve for x
    x = 30,771,442,047.41/242,397.66
  6. Step 6: Final answer
    x = 126,946.12

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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.