Home / 219,180.41-328,773.01-77,029.74

Finding the Fourth Proportional to 219,180.41, 328,773.01 and 77,029.74

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Solution

The fourth proportional to 219,180.41, 328,773.01 and 77,029.74 is: 115,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,180.41 : 328,773.01 = 77,029.74 : x
  2. Step 2: Convert to fraction form
    219,180.41/328,773.01 = 77,029.74/x
  3. Step 3: Cross multiply
    219,180.41x = 328,773.01 × 77,029.74
  4. Step 4: Simplify right side
    219,180.41x = 25,325,299,431.17
  5. Step 5: Solve for x
    x = 25,325,299,431.17/219,180.41
  6. Step 6: Final answer
    x = 115,545.45

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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.