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Finding the Fourth Proportional to 433,877.46, 650,812.41 and 118,333.86

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Solution

The fourth proportional to 433,877.46, 650,812.41 and 118,333.86 is: 177,499.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,877.46 : 650,812.41 = 118,333.86 : x
  2. Step 2: Convert to fraction form
    433,877.46/650,812.41 = 118,333.86/x
  3. Step 3: Cross multiply
    433,877.46x = 650,812.41 × 118,333.86
  4. Step 4: Simplify right side
    433,877.46x = 77,013,144,611.20
  5. Step 5: Solve for x
    x = 77,013,144,611.20/433,877.46
  6. Step 6: Final answer
    x = 177,499.76

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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.