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Finding the Fourth Proportional to 228,387, 342,613.17 and 70,627.62

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Solution

The fourth proportional to 228,387, 342,613.17 and 70,627.62 is: 105,951.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,387 : 342,613.17 = 70,627.62 : x
  2. Step 2: Convert to fraction form
    228,387/342,613.17 = 70,627.62/x
  3. Step 3: Cross multiply
    228,387x = 342,613.17 × 70,627.62
  4. Step 4: Simplify right side
    228,387x = 24,197,952,777.76
  5. Step 5: Solve for x
    x = 24,197,952,777.76/228,387
  6. Step 6: Final answer
    x = 105,951.53

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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.