Home / 756,187.20-1,134,280.80-195,221.70

Finding the Fourth Proportional to 756,187.20, 1,134,280.80 and 195,221.70

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Solution

The fourth proportional to 756,187.20, 1,134,280.80 and 195,221.70 is: 292,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,187.20 : 1,134,280.80 = 195,221.70 : x
  2. Step 2: Convert to fraction form
    756,187.20/1,134,280.80 = 195,221.70/x
  3. Step 3: Cross multiply
    756,187.20x = 1,134,280.80 × 195,221.70
  4. Step 4: Simplify right side
    756,187.20x = 221,436,226,053.36
  5. Step 5: Solve for x
    x = 221,436,226,053.36/756,187.20
  6. Step 6: Final answer
    x = 292,832.55

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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.