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Finding the Fourth Proportional to 357,338.59, 536,229.92 and 222,666.98

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Solution

The fourth proportional to 357,338.59, 536,229.92 and 222,666.98 is: 334,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,338.59 : 536,229.92 = 222,666.98 : x
  2. Step 2: Convert to fraction form
    357,338.59/536,229.92 = 222,666.98/x
  3. Step 3: Cross multiply
    357,338.59x = 536,229.92 × 222,666.98
  4. Step 4: Simplify right side
    357,338.59x = 119,400,694,747.56
  5. Step 5: Solve for x
    x = 119,400,694,747.56/357,338.59
  6. Step 6: Final answer
    x = 334,138.82

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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.