Home / 434,525.70-651,837.15-135,003.90

Finding the Fourth Proportional to 434,525.70, 651,837.15 and 135,003.90

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Solution

The fourth proportional to 434,525.70, 651,837.15 and 135,003.90 is: 202,520.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,525.70 : 651,837.15 = 135,003.90 : x
  2. Step 2: Convert to fraction form
    434,525.70/651,837.15 = 135,003.90/x
  3. Step 3: Cross multiply
    434,525.70x = 651,837.15 × 135,003.90
  4. Step 4: Simplify right side
    434,525.70x = 88,000,557,414.89
  5. Step 5: Solve for x
    x = 88,000,557,414.89/434,525.70
  6. Step 6: Final answer
    x = 202,520.95

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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.