Home / 499,313.61-748,975.88-144,330.70

Finding the Fourth Proportional to 499,313.61, 748,975.88 and 144,330.70

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Solution

The fourth proportional to 499,313.61, 748,975.88 and 144,330.70 is: 216,497.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,313.61 : 748,975.88 = 144,330.70 : x
  2. Step 2: Convert to fraction form
    499,313.61/748,975.88 = 144,330.70/x
  3. Step 3: Cross multiply
    499,313.61x = 748,975.88 × 144,330.70
  4. Step 4: Simplify right side
    499,313.61x = 108,100,215,338.96
  5. Step 5: Solve for x
    x = 108,100,215,338.96/499,313.61
  6. Step 6: Final answer
    x = 216,497.64

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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.