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Finding the Fourth Proportional to 445,070.72, 667,606.56 and 112,646.72

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Solution

The fourth proportional to 445,070.72, 667,606.56 and 112,646.72 is: 168,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,070.72 : 667,606.56 = 112,646.72 : x
  2. Step 2: Convert to fraction form
    445,070.72/667,606.56 = 112,646.72/x
  3. Step 3: Cross multiply
    445,070.72x = 667,606.56 × 112,646.72
  4. Step 4: Simplify right side
    445,070.72x = 75,203,689,234.48
  5. Step 5: Solve for x
    x = 75,203,689,234.48/445,070.72
  6. Step 6: Final answer
    x = 168,970.20

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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.