Home / 240,440.78-331,818.05-133,008.96

Finding the Fourth Proportional to 240,440.78, 331,818.05 and 133,008.96

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Solution

The fourth proportional to 240,440.78, 331,818.05 and 133,008.96 is: 183,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,440.78 : 331,818.05 = 133,008.96 : x
  2. Step 2: Convert to fraction form
    240,440.78/331,818.05 = 133,008.96/x
  3. Step 3: Cross multiply
    240,440.78x = 331,818.05 × 133,008.96
  4. Step 4: Simplify right side
    240,440.78x = 44,134,773,739.73
  5. Step 5: Solve for x
    x = 44,134,773,739.73/240,440.78
  6. Step 6: Final answer
    x = 183,557.77

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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.