Home / 329,120.84-493,348.80-129,581.24

Finding the Fourth Proportional to 329,120.84, 493,348.80 and 129,581.24

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Solution

The fourth proportional to 329,120.84, 493,348.80 and 129,581.24 is: 194,240.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,120.84 : 493,348.80 = 129,581.24 : x
  2. Step 2: Convert to fraction form
    329,120.84/493,348.80 = 129,581.24/x
  3. Step 3: Cross multiply
    329,120.84x = 493,348.80 × 129,581.24
  4. Step 4: Simplify right side
    329,120.84x = 63,928,749,256.51
  5. Step 5: Solve for x
    x = 63,928,749,256.51/329,120.84
  6. Step 6: Final answer
    x = 194,240.96

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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.