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Finding the Fourth Proportional to 234,642.57, 352,068.52 and 108,214.95

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Solution

The fourth proportional to 234,642.57, 352,068.52 and 108,214.95 is: 162,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,642.57 : 352,068.52 = 108,214.95 : x
  2. Step 2: Convert to fraction form
    234,642.57/352,068.52 = 108,214.95/x
  3. Step 3: Cross multiply
    234,642.57x = 352,068.52 × 108,214.95
  4. Step 4: Simplify right side
    234,642.57x = 38,099,077,288.37
  5. Step 5: Solve for x
    x = 38,099,077,288.37/234,642.57
  6. Step 6: Final answer
    x = 162,370.70

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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.