Home / 499,314.30-748,976.91-144,331.39

Finding the Fourth Proportional to 499,314.30, 748,976.91 and 144,331.39

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Solution

The fourth proportional to 499,314.30, 748,976.91 and 144,331.39 is: 216,498.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,314.30 : 748,976.91 = 144,331.39 : x
  2. Step 2: Convert to fraction form
    499,314.30/748,976.91 = 144,331.39/x
  3. Step 3: Cross multiply
    499,314.30x = 748,976.91 × 144,331.39
  4. Step 4: Simplify right side
    499,314.30x = 108,100,878,498.21
  5. Step 5: Solve for x
    x = 108,100,878,498.21/499,314.30
  6. Step 6: Final answer
    x = 216,498.67

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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.