Home / 379,117.27-523,181.92-209,351.26

Finding the Fourth Proportional to 379,117.27, 523,181.92 and 209,351.26

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Solution

The fourth proportional to 379,117.27, 523,181.92 and 209,351.26 is: 288,904.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,117.27 : 523,181.92 = 209,351.26 : x
  2. Step 2: Convert to fraction form
    379,117.27/523,181.92 = 209,351.26/x
  3. Step 3: Cross multiply
    379,117.27x = 523,181.92 × 209,351.26
  4. Step 4: Simplify right side
    379,117.27x = 109,528,791,545.31
  5. Step 5: Solve for x
    x = 109,528,791,545.31/379,117.27
  6. Step 6: Final answer
    x = 288,904.78

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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.