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Finding the Fourth Proportional to 649,349.16, 974,475.90 and 228,658.92

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Solution

The fourth proportional to 649,349.16, 974,475.90 and 228,658.92 is: 343,147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,349.16 : 974,475.90 = 228,658.92 : x
  2. Step 2: Convert to fraction form
    649,349.16/974,475.90 = 228,658.92/x
  3. Step 3: Cross multiply
    649,349.16x = 974,475.90 × 228,658.92
  4. Step 4: Simplify right side
    649,349.16x = 222,822,606,860.03
  5. Step 5: Solve for x
    x = 222,822,606,860.03/649,349.16
  6. Step 6: Final answer
    x = 343,147.60

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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.