Home / 262,483.20-393,711.04-75,487.36

Finding the Fourth Proportional to 262,483.20, 393,711.04 and 75,487.36

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Solution

The fourth proportional to 262,483.20, 393,711.04 and 75,487.36 is: 113,227.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,483.20 : 393,711.04 = 75,487.36 : x
  2. Step 2: Convert to fraction form
    262,483.20/393,711.04 = 75,487.36/x
  3. Step 3: Cross multiply
    262,483.20x = 393,711.04 × 75,487.36
  4. Step 4: Simplify right side
    262,483.20x = 29,720,207,012.45
  5. Step 5: Solve for x
    x = 29,720,207,012.45/262,483.20
  6. Step 6: Final answer
    x = 113,227.08

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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.