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Finding the Fourth Proportional to 358,704.65, 495,025.11 and 222,813.02

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Solution

The fourth proportional to 358,704.65, 495,025.11 and 222,813.02 is: 307,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,704.65 : 495,025.11 = 222,813.02 : x
  2. Step 2: Convert to fraction form
    358,704.65/495,025.11 = 222,813.02/x
  3. Step 3: Cross multiply
    358,704.65x = 495,025.11 × 222,813.02
  4. Step 4: Simplify right side
    358,704.65x = 110,298,036,145.74
  5. Step 5: Solve for x
    x = 110,298,036,145.74/358,704.65
  6. Step 6: Final answer
    x = 307,489.85

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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.