Home / 329,460.04-494,002.80-129,672.12

Finding the Fourth Proportional to 329,460.04, 494,002.80 and 129,672.12

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Solution

The fourth proportional to 329,460.04, 494,002.80 and 129,672.12 is: 194,434.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,460.04 : 494,002.80 = 129,672.12 : x
  2. Step 2: Convert to fraction form
    329,460.04/494,002.80 = 129,672.12/x
  3. Step 3: Cross multiply
    329,460.04x = 494,002.80 × 129,672.12
  4. Step 4: Simplify right side
    329,460.04x = 64,058,392,214.45
  5. Step 5: Solve for x
    x = 64,058,392,214.45/329,460.04
  6. Step 6: Final answer
    x = 194,434.48

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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.