Home / 288,239.12-397,876.13-173,523.10

Finding the Fourth Proportional to 288,239.12, 397,876.13 and 173,523.10

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Solution

The fourth proportional to 288,239.12, 397,876.13 and 173,523.10 is: 239,525.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,239.12 : 397,876.13 = 173,523.10 : x
  2. Step 2: Convert to fraction form
    288,239.12/397,876.13 = 173,523.10/x
  3. Step 3: Cross multiply
    288,239.12x = 397,876.13 × 173,523.10
  4. Step 4: Simplify right side
    288,239.12x = 69,040,699,493.60
  5. Step 5: Solve for x
    x = 69,040,699,493.60/288,239.12
  6. Step 6: Final answer
    x = 239,525.78

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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.