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Finding the Fourth Proportional to 358,380.61, 494,555.29 and 203,360.14

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Solution

The fourth proportional to 358,380.61, 494,555.29 and 203,360.14 is: 280,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,380.61 : 494,555.29 = 203,360.14 : x
  2. Step 2: Convert to fraction form
    358,380.61/494,555.29 = 203,360.14/x
  3. Step 3: Cross multiply
    358,380.61x = 494,555.29 × 203,360.14
  4. Step 4: Simplify right side
    358,380.61x = 100,572,833,012.14
  5. Step 5: Solve for x
    x = 100,572,833,012.14/358,380.61
  6. Step 6: Final answer
    x = 280,631.35

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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.