Home / 270,234.18-372,916.60-149,372.35

Finding the Fourth Proportional to 270,234.18, 372,916.60 and 149,372.35

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Solution

The fourth proportional to 270,234.18, 372,916.60 and 149,372.35 is: 206,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,234.18 : 372,916.60 = 149,372.35 : x
  2. Step 2: Convert to fraction form
    270,234.18/372,916.60 = 149,372.35/x
  3. Step 3: Cross multiply
    270,234.18x = 372,916.60 × 149,372.35
  4. Step 4: Simplify right side
    270,234.18x = 55,703,427,590.29
  5. Step 5: Solve for x
    x = 55,703,427,590.29/270,234.18
  6. Step 6: Final answer
    x = 206,130.21

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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.