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Finding the Fourth Proportional to 499,977.61, 750,111.66 and 180,123.39

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Solution

The fourth proportional to 499,977.61, 750,111.66 and 180,123.39 is: 270,237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,977.61 : 750,111.66 = 180,123.39 : x
  2. Step 2: Convert to fraction form
    499,977.61/750,111.66 = 180,123.39/x
  3. Step 3: Cross multiply
    499,977.61x = 750,111.66 × 180,123.39
  4. Step 4: Simplify right side
    499,977.61x = 135,112,655,077.73
  5. Step 5: Solve for x
    x = 135,112,655,077.73/499,977.61
  6. Step 6: Final answer
    x = 270,237.41

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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.