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Finding the Fourth Proportional to 267,642.53, 369,351.43 and 146,782.77

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Solution

The fourth proportional to 267,642.53, 369,351.43 and 146,782.77 is: 202,562.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,642.53 : 369,351.43 = 146,782.77 : x
  2. Step 2: Convert to fraction form
    267,642.53/369,351.43 = 146,782.77/x
  3. Step 3: Cross multiply
    267,642.53x = 369,351.43 × 146,782.77
  4. Step 4: Simplify right side
    267,642.53x = 54,214,424,246.84
  5. Step 5: Solve for x
    x = 54,214,424,246.84/267,642.53
  6. Step 6: Final answer
    x = 202,562.82

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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.