Home / 220,453.43-304,256.60-159,397.86

Finding the Fourth Proportional to 220,453.43, 304,256.60 and 159,397.86

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Solution

The fourth proportional to 220,453.43, 304,256.60 and 159,397.86 is: 219,991.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,453.43 : 304,256.60 = 159,397.86 : x
  2. Step 2: Convert to fraction form
    220,453.43/304,256.60 = 159,397.86/x
  3. Step 3: Cross multiply
    220,453.43x = 304,256.60 × 159,397.86
  4. Step 4: Simplify right side
    220,453.43x = 48,497,850,133.89
  5. Step 5: Solve for x
    x = 48,497,850,133.89/220,453.43
  6. Step 6: Final answer
    x = 219,991.37

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1.5x scale

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.