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Finding the Fourth Proportional to 219,738.78, 303,237.86 and 124,248.87

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Solution

The fourth proportional to 219,738.78, 303,237.86 and 124,248.87 is: 171,462.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,738.78 : 303,237.86 = 124,248.87 : x
  2. Step 2: Convert to fraction form
    219,738.78/303,237.86 = 124,248.87/x
  3. Step 3: Cross multiply
    219,738.78x = 303,237.86 × 124,248.87
  4. Step 4: Simplify right side
    219,738.78x = 37,676,960,824.97
  5. Step 5: Solve for x
    x = 37,676,960,824.97/219,738.78
  6. Step 6: Final answer
    x = 171,462.50

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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.