Home / 385,180.82-577,835.78-132,451.10

Finding the Fourth Proportional to 385,180.82, 577,835.78 and 132,451.10

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Solution

The fourth proportional to 385,180.82, 577,835.78 and 132,451.10 is: 198,698.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,180.82 : 577,835.78 = 132,451.10 : x
  2. Step 2: Convert to fraction form
    385,180.82/577,835.78 = 132,451.10/x
  3. Step 3: Cross multiply
    385,180.82x = 577,835.78 × 132,451.10
  4. Step 4: Simplify right side
    385,180.82x = 76,534,983,295.81
  5. Step 5: Solve for x
    x = 76,534,983,295.81/385,180.82
  6. Step 6: Final answer
    x = 198,698.84

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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.