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Finding the Fourth Proportional to 630,117.60, 945,176.40 and 230,625.60

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Solution

The fourth proportional to 630,117.60, 945,176.40 and 230,625.60 is: 345,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,117.60 : 945,176.40 = 230,625.60 : x
  2. Step 2: Convert to fraction form
    630,117.60/945,176.40 = 230,625.60/x
  3. Step 3: Cross multiply
    630,117.60x = 945,176.40 × 230,625.60
  4. Step 4: Simplify right side
    630,117.60x = 217,981,874,355.84
  5. Step 5: Solve for x
    x = 217,981,874,355.84/630,117.60
  6. Step 6: Final answer
    x = 345,938.40

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Similar ratio
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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.