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Finding the Fourth Proportional to 297,490.80, 410,327.10 and 176,535.12

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Solution

The fourth proportional to 297,490.80, 410,327.10 and 176,535.12 is: 243,493.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,490.80 : 410,327.10 = 176,535.12 : x
  2. Step 2: Convert to fraction form
    297,490.80/410,327.10 = 176,535.12/x
  3. Step 3: Cross multiply
    297,490.80x = 410,327.10 × 176,535.12
  4. Step 4: Simplify right side
    297,490.80x = 72,437,143,837.75
  5. Step 5: Solve for x
    x = 72,437,143,837.75/297,490.80
  6. Step 6: Final answer
    x = 243,493.73

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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.