Home / 330,150.48-495,039.84-105,458.12

Finding the Fourth Proportional to 330,150.48, 495,039.84 and 105,458.12

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Solution

The fourth proportional to 330,150.48, 495,039.84 and 105,458.12 is: 158,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,150.48 : 495,039.84 = 105,458.12 : x
  2. Step 2: Convert to fraction form
    330,150.48/495,039.84 = 105,458.12/x
  3. Step 3: Cross multiply
    330,150.48x = 495,039.84 × 105,458.12
  4. Step 4: Simplify right side
    330,150.48x = 52,205,970,851.50
  5. Step 5: Solve for x
    x = 52,205,970,851.50/330,150.48
  6. Step 6: Final answer
    x = 158,127.81

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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.