Home / 288,091.14-397,568.79-160,764

Finding the Fourth Proportional to 288,091.14, 397,568.79 and 160,764

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Solution

The fourth proportional to 288,091.14, 397,568.79 and 160,764 is: 221,856.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,091.14 : 397,568.79 = 160,764 : x
  2. Step 2: Convert to fraction form
    288,091.14/397,568.79 = 160,764/x
  3. Step 3: Cross multiply
    288,091.14x = 397,568.79 × 160,764
  4. Step 4: Simplify right side
    288,091.14x = 63,914,748,955.56
  5. Step 5: Solve for x
    x = 63,914,748,955.56/288,091.14
  6. Step 6: Final answer
    x = 221,856.00

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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.