Home / 433,082.30-649,616.28-129,477.15

Finding the Fourth Proportional to 433,082.30, 649,616.28 and 129,477.15

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Solution

The fourth proportional to 433,082.30, 649,616.28 and 129,477.15 is: 194,213.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,082.30 : 649,616.28 = 129,477.15 : x
  2. Step 2: Convert to fraction form
    433,082.30/649,616.28 = 129,477.15/x
  3. Step 3: Cross multiply
    433,082.30x = 649,616.28 × 129,477.15
  4. Step 4: Simplify right side
    433,082.30x = 84,110,464,042.46
  5. Step 5: Solve for x
    x = 84,110,464,042.46/433,082.30
  6. Step 6: Final answer
    x = 194,213.58

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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.