Home / 275,189.17-379,764.24-152,683.86

Finding the Fourth Proportional to 275,189.17, 379,764.24 and 152,683.86

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Solution

The fourth proportional to 275,189.17, 379,764.24 and 152,683.86 is: 210,705.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,189.17 : 379,764.24 = 152,683.86 : x
  2. Step 2: Convert to fraction form
    275,189.17/379,764.24 = 152,683.86/x
  3. Step 3: Cross multiply
    275,189.17x = 379,764.24 × 152,683.86
  4. Step 4: Simplify right side
    275,189.17x = 57,983,868,154.35
  5. Step 5: Solve for x
    x = 57,983,868,154.35/275,189.17
  6. Step 6: Final answer
    x = 210,705.49

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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.