Home / 288,297.72-397,836.40-160,948.71

Finding the Fourth Proportional to 288,297.72, 397,836.40 and 160,948.71

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Solution

The fourth proportional to 288,297.72, 397,836.40 and 160,948.71 is: 222,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,297.72 : 397,836.40 = 160,948.71 : x
  2. Step 2: Convert to fraction form
    288,297.72/397,836.40 = 160,948.71/x
  3. Step 3: Cross multiply
    288,297.72x = 397,836.40 × 160,948.71
  4. Step 4: Simplify right side
    288,297.72x = 64,031,255,371.04
  5. Step 5: Solve for x
    x = 64,031,255,371.04/288,297.72
  6. Step 6: Final answer
    x = 222,101.15

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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.