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Finding the Fourth Proportional to 355,337.28, 490,366.71 and 194,192.29

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Solution

The fourth proportional to 355,337.28, 490,366.71 and 194,192.29 is: 267,986.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,337.28 : 490,366.71 = 194,192.29 : x
  2. Step 2: Convert to fraction form
    355,337.28/490,366.71 = 194,192.29/x
  3. Step 3: Cross multiply
    355,337.28x = 490,366.71 × 194,192.29
  4. Step 4: Simplify right side
    355,337.28x = 95,225,432,209.31
  5. Step 5: Solve for x
    x = 95,225,432,209.31/355,337.28
  6. Step 6: Final answer
    x = 267,986.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.