Home / 288,293.24-432,441.40-189,081.70

Finding the Fourth Proportional to 288,293.24, 432,441.40 and 189,081.70

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Solution

The fourth proportional to 288,293.24, 432,441.40 and 189,081.70 is: 283,623.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,293.24 : 432,441.40 = 189,081.70 : x
  2. Step 2: Convert to fraction form
    288,293.24/432,441.40 = 189,081.70/x
  3. Step 3: Cross multiply
    288,293.24x = 432,441.40 × 189,081.70
  4. Step 4: Simplify right side
    288,293.24x = 81,766,755,062.38
  5. Step 5: Solve for x
    x = 81,766,755,062.38/288,293.24
  6. Step 6: Final answer
    x = 283,623.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.