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Finding the Fourth Proportional to 288,001.17, 397,441.86 and 160,676.79

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Solution

The fourth proportional to 288,001.17, 397,441.86 and 160,676.79 is: 221,734.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,001.17 : 397,441.86 = 160,676.79 : x
  2. Step 2: Convert to fraction form
    288,001.17/397,441.86 = 160,676.79/x
  3. Step 3: Cross multiply
    288,001.17x = 397,441.86 × 160,676.79
  4. Step 4: Simplify right side
    288,001.17x = 63,859,682,276.43
  5. Step 5: Solve for x
    x = 63,859,682,276.43/288,001.17
  6. Step 6: Final answer
    x = 221,734.11

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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.