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Finding the Fourth Proportional to 272,007.94, 375,372.58 and 149,499

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Solution

The fourth proportional to 272,007.94, 375,372.58 and 149,499 is: 206,309.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,007.94 : 375,372.58 = 149,499 : x
  2. Step 2: Convert to fraction form
    272,007.94/375,372.58 = 149,499/x
  3. Step 3: Cross multiply
    272,007.94x = 375,372.58 × 149,499
  4. Step 4: Simplify right side
    272,007.94x = 56,117,825,337.42
  5. Step 5: Solve for x
    x = 56,117,825,337.42/272,007.94
  6. Step 6: Final answer
    x = 206,309.51

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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.