Home / 228,962.70-315,983.84-127,020.56

Finding the Fourth Proportional to 228,962.70, 315,983.84 and 127,020.56

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Solution

The fourth proportional to 228,962.70, 315,983.84 and 127,020.56 is: 175,296.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,962.70 : 315,983.84 = 127,020.56 : x
  2. Step 2: Convert to fraction form
    228,962.70/315,983.84 = 127,020.56/x
  3. Step 3: Cross multiply
    228,962.70x = 315,983.84 × 127,020.56
  4. Step 4: Simplify right side
    228,962.70x = 40,136,442,092.73
  5. Step 5: Solve for x
    x = 40,136,442,092.73/228,962.70
  6. Step 6: Final answer
    x = 175,296.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.