Home / 410,160.24-615,236.72-129,677.60

Finding the Fourth Proportional to 410,160.24, 615,236.72 and 129,677.60

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Solution

The fourth proportional to 410,160.24, 615,236.72 and 129,677.60 is: 194,515.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,160.24 : 615,236.72 = 129,677.60 : x
  2. Step 2: Convert to fraction form
    410,160.24/615,236.72 = 129,677.60/x
  3. Step 3: Cross multiply
    410,160.24x = 615,236.72 × 129,677.60
  4. Step 4: Simplify right side
    410,160.24x = 79,782,421,281.47
  5. Step 5: Solve for x
    x = 79,782,421,281.47/410,160.24
  6. Step 6: Final answer
    x = 194,515.25

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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.