Home / 499,211.28-748,706.76-144,148.05

Finding the Fourth Proportional to 499,211.28, 748,706.76 and 144,148.05

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Solution

The fourth proportional to 499,211.28, 748,706.76 and 144,148.05 is: 216,190.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,211.28 : 748,706.76 = 144,148.05 : x
  2. Step 2: Convert to fraction form
    499,211.28/748,706.76 = 144,148.05/x
  3. Step 3: Cross multiply
    499,211.28x = 748,706.76 × 144,148.05
  4. Step 4: Simplify right side
    499,211.28x = 107,924,619,475.82
  5. Step 5: Solve for x
    x = 107,924,619,475.82/499,211.28
  6. Step 6: Final answer
    x = 216,190.27

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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.