Home / 345,228.25-517,848.86-95,916.73

Finding the Fourth Proportional to 345,228.25, 517,848.86 and 95,916.73

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Solution

The fourth proportional to 345,228.25, 517,848.86 and 95,916.73 is: 143,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,228.25 : 517,848.86 = 95,916.73 : x
  2. Step 2: Convert to fraction form
    345,228.25/517,848.86 = 95,916.73/x
  3. Step 3: Cross multiply
    345,228.25x = 517,848.86 × 95,916.73
  4. Step 4: Simplify right side
    345,228.25x = 49,670,369,285.43
  5. Step 5: Solve for x
    x = 49,670,369,285.43/345,228.25
  6. Step 6: Final answer
    x = 143,876.90

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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.