Home / 435,962.88-653,591.40-136,289.16

Finding the Fourth Proportional to 435,962.88, 653,591.40 and 136,289.16

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Solution

The fourth proportional to 435,962.88, 653,591.40 and 136,289.16 is: 204,323.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,962.88 : 653,591.40 = 136,289.16 : x
  2. Step 2: Convert to fraction form
    435,962.88/653,591.40 = 136,289.16/x
  3. Step 3: Cross multiply
    435,962.88x = 653,591.40 × 136,289.16
  4. Step 4: Simplify right side
    435,962.88x = 89,077,422,889.22
  5. Step 5: Solve for x
    x = 89,077,422,889.22/435,962.88
  6. Step 6: Final answer
    x = 204,323.41

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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.