Home / 288,191.14-397,788.23-167,386.72

Finding the Fourth Proportional to 288,191.14, 397,788.23 and 167,386.72

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Solution

The fourth proportional to 288,191.14, 397,788.23 and 167,386.72 is: 231,042.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,191.14 : 397,788.23 = 167,386.72 : x
  2. Step 2: Convert to fraction form
    288,191.14/397,788.23 = 167,386.72/x
  3. Step 3: Cross multiply
    288,191.14x = 397,788.23 × 167,386.72
  4. Step 4: Simplify right side
    288,191.14x = 66,584,467,074.31
  5. Step 5: Solve for x
    x = 66,584,467,074.31/288,191.14
  6. Step 6: Final answer
    x = 231,042.73

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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.