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Finding the Fourth Proportional to 329,462.85, 494,007.02 and 129,674.94

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Solution

The fourth proportional to 329,462.85, 494,007.02 and 129,674.94 is: 194,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,462.85 : 494,007.02 = 129,674.94 : x
  2. Step 2: Convert to fraction form
    329,462.85/494,007.02 = 129,674.94/x
  3. Step 3: Cross multiply
    329,462.85x = 494,007.02 × 129,674.94
  4. Step 4: Simplify right side
    329,462.85x = 64,060,328,663.46
  5. Step 5: Solve for x
    x = 64,060,328,663.46/329,462.85
  6. Step 6: Final answer
    x = 194,438.70

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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.