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Finding the Fourth Proportional to 288,267.69, 397,779.24 and 167,385.42

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Solution

The fourth proportional to 288,267.69, 397,779.24 and 167,385.42 is: 230,974.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,267.69 : 397,779.24 = 167,385.42 : x
  2. Step 2: Convert to fraction form
    288,267.69/397,779.24 = 167,385.42/x
  3. Step 3: Cross multiply
    288,267.69x = 397,779.24 × 167,385.42
  4. Step 4: Simplify right side
    288,267.69x = 66,582,445,154.68
  5. Step 5: Solve for x
    x = 66,582,445,154.68/288,267.69
  6. Step 6: Final answer
    x = 230,974.36

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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.