Home / 245,566.20-368,435.70-120,823.80

Finding the Fourth Proportional to 245,566.20, 368,435.70 and 120,823.80

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Solution

The fourth proportional to 245,566.20, 368,435.70 and 120,823.80 is: 181,278.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,566.20 : 368,435.70 = 120,823.80 : x
  2. Step 2: Convert to fraction form
    245,566.20/368,435.70 = 120,823.80/x
  3. Step 3: Cross multiply
    245,566.20x = 368,435.70 × 120,823.80
  4. Step 4: Simplify right side
    245,566.20x = 44,515,801,329.66
  5. Step 5: Solve for x
    x = 44,515,801,329.66/245,566.20
  6. Step 6: Final answer
    x = 181,278.21

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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.