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Finding the Fourth Proportional to 272,195.44, 375,646.68 and 151,363.72

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Solution

The fourth proportional to 272,195.44, 375,646.68 and 151,363.72 is: 208,891.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,195.44 : 375,646.68 = 151,363.72 : x
  2. Step 2: Convert to fraction form
    272,195.44/375,646.68 = 151,363.72/x
  3. Step 3: Cross multiply
    272,195.44x = 375,646.68 × 151,363.72
  4. Step 4: Simplify right side
    272,195.44x = 56,859,278,890.45
  5. Step 5: Solve for x
    x = 56,859,278,890.45/272,195.44
  6. Step 6: Final answer
    x = 208,891.37

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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.