Home / 283,039.11-424,562.98-72,672.39

Finding the Fourth Proportional to 283,039.11, 424,562.98 and 72,672.39

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Solution

The fourth proportional to 283,039.11, 424,562.98 and 72,672.39 is: 109,009.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,039.11 : 424,562.98 = 72,672.39 : x
  2. Step 2: Convert to fraction form
    283,039.11/424,562.98 = 72,672.39/x
  3. Step 3: Cross multiply
    283,039.11x = 424,562.98 × 72,672.39
  4. Step 4: Simplify right side
    283,039.11x = 30,854,006,462.12
  5. Step 5: Solve for x
    x = 30,854,006,462.12/283,039.11
  6. Step 6: Final answer
    x = 109,009.69

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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.