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Finding the Fourth Proportional to 361,965.84, 542,877.47 and 122,056.39

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Solution

The fourth proportional to 361,965.84, 542,877.47 and 122,056.39 is: 183,060.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,965.84 : 542,877.47 = 122,056.39 : x
  2. Step 2: Convert to fraction form
    361,965.84/542,877.47 = 122,056.39/x
  3. Step 3: Cross multiply
    361,965.84x = 542,877.47 × 122,056.39
  4. Step 4: Simplify right side
    361,965.84x = 66,261,664,200.53
  5. Step 5: Solve for x
    x = 66,261,664,200.53/361,965.84
  6. Step 6: Final answer
    x = 183,060.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.