Home / 248,917.38-343,531.90-153,421.62

Finding the Fourth Proportional to 248,917.38, 343,531.90 and 153,421.62

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Solution

The fourth proportional to 248,917.38, 343,531.90 and 153,421.62 is: 211,737.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,917.38 : 343,531.90 = 153,421.62 : x
  2. Step 2: Convert to fraction form
    248,917.38/343,531.90 = 153,421.62/x
  3. Step 3: Cross multiply
    248,917.38x = 343,531.90 × 153,421.62
  4. Step 4: Simplify right side
    248,917.38x = 52,705,218,902.02
  5. Step 5: Solve for x
    x = 52,705,218,902.02/248,917.38
  6. Step 6: Final answer
    x = 211,737.81

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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.