Home / 288,204.40-397,705.57-160,888.06

Finding the Fourth Proportional to 288,204.40, 397,705.57 and 160,888.06

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Solution

The fourth proportional to 288,204.40, 397,705.57 and 160,888.06 is: 222,016.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,204.40 : 397,705.57 = 160,888.06 : x
  2. Step 2: Convert to fraction form
    288,204.40/397,705.57 = 160,888.06/x
  3. Step 3: Cross multiply
    288,204.40x = 397,705.57 × 160,888.06
  4. Step 4: Simplify right side
    288,204.40x = 63,986,077,608.49
  5. Step 5: Solve for x
    x = 63,986,077,608.49/288,204.40
  6. Step 6: Final answer
    x = 222,016.31

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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.