Home / 301,523.92-452,298.18-76,890.18

Finding the Fourth Proportional to 301,523.92, 452,298.18 and 76,890.18

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Solution

The fourth proportional to 301,523.92, 452,298.18 and 76,890.18 is: 115,338.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,523.92 : 452,298.18 = 76,890.18 : x
  2. Step 2: Convert to fraction form
    301,523.92/452,298.18 = 76,890.18/x
  3. Step 3: Cross multiply
    301,523.92x = 452,298.18 × 76,890.18
  4. Step 4: Simplify right side
    301,523.92x = 34,777,288,473.87
  5. Step 5: Solve for x
    x = 34,777,288,473.87/301,523.92
  6. Step 6: Final answer
    x = 115,338.41

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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.