Home / 288,304.06-397,857.22-157,481.82

Finding the Fourth Proportional to 288,304.06, 397,857.22 and 157,481.82

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Solution

The fourth proportional to 288,304.06, 397,857.22 and 157,481.82 is: 217,323.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,304.06 : 397,857.22 = 157,481.82 : x
  2. Step 2: Convert to fraction form
    288,304.06/397,857.22 = 157,481.82/x
  3. Step 3: Cross multiply
    288,304.06x = 397,857.22 × 157,481.82
  4. Step 4: Simplify right side
    288,304.06x = 62,655,277,810.63
  5. Step 5: Solve for x
    x = 62,655,277,810.63/288,304.06
  6. Step 6: Final answer
    x = 217,323.61

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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.