Home / 240,443.78-331,822.19-133,011.96

Finding the Fourth Proportional to 240,443.78, 331,822.19 and 133,011.96

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Solution

The fourth proportional to 240,443.78, 331,822.19 and 133,011.96 is: 183,561.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,443.78 : 331,822.19 = 133,011.96 : x
  2. Step 2: Convert to fraction form
    240,443.78/331,822.19 = 133,011.96/x
  3. Step 3: Cross multiply
    240,443.78x = 331,822.19 × 133,011.96
  4. Step 4: Simplify right side
    240,443.78x = 44,136,319,863.39
  5. Step 5: Solve for x
    x = 44,136,319,863.39/240,443.78
  6. Step 6: Final answer
    x = 183,561.91

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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.