Home / 329,024.40-493,666.20-129,310.80

Finding the Fourth Proportional to 329,024.40, 493,666.20 and 129,310.80

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Solution

The fourth proportional to 329,024.40, 493,666.20 and 129,310.80 is: 194,017.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,024.40 : 493,666.20 = 129,310.80 : x
  2. Step 2: Convert to fraction form
    329,024.40/493,666.20 = 129,310.80/x
  3. Step 3: Cross multiply
    329,024.40x = 493,666.20 × 129,310.80
  4. Step 4: Simplify right side
    329,024.40x = 63,836,371,254.96
  5. Step 5: Solve for x
    x = 63,836,371,254.96/329,024.40
  6. Step 6: Final answer
    x = 194,017.13

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1.5x scale

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.