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Finding the Fourth Proportional to 358,356.56, 494,277.20 and 296,908.88

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Solution

The fourth proportional to 358,356.56, 494,277.20 and 296,908.88 is: 409,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,356.56 : 494,277.20 = 296,908.88 : x
  2. Step 2: Convert to fraction form
    358,356.56/494,277.20 = 296,908.88/x
  3. Step 3: Cross multiply
    358,356.56x = 494,277.20 × 296,908.88
  4. Step 4: Simplify right side
    358,356.56x = 146,755,289,861.54
  5. Step 5: Solve for x
    x = 146,755,289,861.54/358,356.56
  6. Step 6: Final answer
    x = 409,523.10

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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.