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Finding the Fourth Proportional to 329,642.06, 494,462.88 and 119,230.79

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Solution

The fourth proportional to 329,642.06, 494,462.88 and 119,230.79 is: 178,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,642.06 : 494,462.88 = 119,230.79 : x
  2. Step 2: Convert to fraction form
    329,642.06/494,462.88 = 119,230.79/x
  3. Step 3: Cross multiply
    329,642.06x = 494,462.88 × 119,230.79
  4. Step 4: Simplify right side
    329,642.06x = 58,955,197,335.76
  5. Step 5: Solve for x
    x = 58,955,197,335.76/329,642.06
  6. Step 6: Final answer
    x = 178,846.10

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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.