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Finding the Fourth Proportional to 433,331.61, 650,070.03 and 149,010.68

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Solution

The fourth proportional to 433,331.61, 650,070.03 and 149,010.68 is: 223,540.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,331.61 : 650,070.03 = 149,010.68 : x
  2. Step 2: Convert to fraction form
    433,331.61/650,070.03 = 149,010.68/x
  3. Step 3: Cross multiply
    433,331.61x = 650,070.03 × 149,010.68
  4. Step 4: Simplify right side
    433,331.61x = 96,867,373,967.57
  5. Step 5: Solve for x
    x = 96,867,373,967.57/433,331.61
  6. Step 6: Final answer
    x = 223,540.98

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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.