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Finding the Fourth Proportional to 267,590.39, 400,942.71 and 117,605.93

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Solution

The fourth proportional to 267,590.39, 400,942.71 and 117,605.93 is: 176,214.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,590.39 : 400,942.71 = 117,605.93 : x
  2. Step 2: Convert to fraction form
    267,590.39/400,942.71 = 117,605.93/x
  3. Step 3: Cross multiply
    267,590.39x = 400,942.71 × 117,605.93
  4. Step 4: Simplify right side
    267,590.39x = 47,153,238,281.56
  5. Step 5: Solve for x
    x = 47,153,238,281.56/267,590.39
  6. Step 6: Final answer
    x = 176,214.25

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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.