Home / 435,641.28-653,438.40-136,087.46

Finding the Fourth Proportional to 435,641.28, 653,438.40 and 136,087.46

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Solution

The fourth proportional to 435,641.28, 653,438.40 and 136,087.46 is: 204,123.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,641.28 : 653,438.40 = 136,087.46 : x
  2. Step 2: Convert to fraction form
    435,641.28/653,438.40 = 136,087.46/x
  3. Step 3: Cross multiply
    435,641.28x = 653,438.40 × 136,087.46
  4. Step 4: Simplify right side
    435,641.28x = 88,924,772,122.46
  5. Step 5: Solve for x
    x = 88,924,772,122.46/435,641.28
  6. Step 6: Final answer
    x = 204,123.84

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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.