Home / 435,469.40-653,204.14-135,975.64

Finding the Fourth Proportional to 435,469.40, 653,204.14 and 135,975.64

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Solution

The fourth proportional to 435,469.40, 653,204.14 and 135,975.64 is: 203,963.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,469.40 : 653,204.14 = 135,975.64 : x
  2. Step 2: Convert to fraction form
    435,469.40/653,204.14 = 135,975.64/x
  3. Step 3: Cross multiply
    435,469.40x = 653,204.14 × 135,975.64
  4. Step 4: Simplify right side
    435,469.40x = 88,819,850,987.15
  5. Step 5: Solve for x
    x = 88,819,850,987.15/435,469.40
  6. Step 6: Final answer
    x = 203,963.47

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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.