Home / 272,241.20-408,186.80-130,009.52

Finding the Fourth Proportional to 272,241.20, 408,186.80 and 130,009.52

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Solution

The fourth proportional to 272,241.20, 408,186.80 and 130,009.52 is: 194,930.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,241.20 : 408,186.80 = 130,009.52 : x
  2. Step 2: Convert to fraction form
    272,241.20/408,186.80 = 130,009.52/x
  3. Step 3: Cross multiply
    272,241.20x = 408,186.80 × 130,009.52
  4. Step 4: Simplify right side
    272,241.20x = 53,068,169,938.34
  5. Step 5: Solve for x
    x = 53,068,169,938.34/272,241.20
  6. Step 6: Final answer
    x = 194,930.71

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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.