Home / 435,468.90-653,203.40-135,975.14

Finding the Fourth Proportional to 435,468.90, 653,203.40 and 135,975.14

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Solution

The fourth proportional to 435,468.90, 653,203.40 and 135,975.14 is: 203,962.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,468.90 : 653,203.40 = 135,975.14 : x
  2. Step 2: Convert to fraction form
    435,468.90/653,203.40 = 135,975.14/x
  3. Step 3: Cross multiply
    435,468.90x = 653,203.40 × 135,975.14
  4. Step 4: Simplify right side
    435,468.90x = 88,819,419,817.58
  5. Step 5: Solve for x
    x = 88,819,419,817.58/435,468.90
  6. Step 6: Final answer
    x = 203,962.72

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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.