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Finding the Fourth Proportional to 150,447.01, 225,545.44 and 70,445.64

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Solution

The fourth proportional to 150,447.01, 225,545.44 and 70,445.64 is: 105,609.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,447.01 : 225,545.44 = 70,445.64 : x
  2. Step 2: Convert to fraction form
    150,447.01/225,545.44 = 70,445.64/x
  3. Step 3: Cross multiply
    150,447.01x = 225,545.44 × 70,445.64
  4. Step 4: Simplify right side
    150,447.01x = 15,888,692,869.88
  5. Step 5: Solve for x
    x = 15,888,692,869.88/150,447.01
  6. Step 6: Final answer
    x = 105,609.89

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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.