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Finding the Fourth Proportional to 208,338.66, 312,508.08 and 58,594.86

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Solution

The fourth proportional to 208,338.66, 312,508.08 and 58,594.86 is: 87,892.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,338.66 : 312,508.08 = 58,594.86 : x
  2. Step 2: Convert to fraction form
    208,338.66/312,508.08 = 58,594.86/x
  3. Step 3: Cross multiply
    208,338.66x = 312,508.08 × 58,594.86
  4. Step 4: Simplify right side
    208,338.66x = 18,311,367,196.47
  5. Step 5: Solve for x
    x = 18,311,367,196.47/208,338.66
  6. Step 6: Final answer
    x = 87,892.32

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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.