Home / 286,218.52-429,357.18-75,856.48

Finding the Fourth Proportional to 286,218.52, 429,357.18 and 75,856.48

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Solution

The fourth proportional to 286,218.52, 429,357.18 and 75,856.48 is: 113,792.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,218.52 : 429,357.18 = 75,856.48 : x
  2. Step 2: Convert to fraction form
    286,218.52/429,357.18 = 75,856.48/x
  3. Step 3: Cross multiply
    286,218.52x = 429,357.18 × 75,856.48
  4. Step 4: Simplify right side
    286,218.52x = 32,569,524,337.53
  5. Step 5: Solve for x
    x = 32,569,524,337.53/286,218.52
  6. Step 6: Final answer
    x = 113,792.51

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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.