Home / 320,442.06-441,807.98-205,517.85

Finding the Fourth Proportional to 320,442.06, 441,807.98 and 205,517.85

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Solution

The fourth proportional to 320,442.06, 441,807.98 and 205,517.85 is: 283,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,442.06 : 441,807.98 = 205,517.85 : x
  2. Step 2: Convert to fraction form
    320,442.06/441,807.98 = 205,517.85/x
  3. Step 3: Cross multiply
    320,442.06x = 441,807.98 × 205,517.85
  4. Step 4: Simplify right side
    320,442.06x = 90,799,426,162.44
  5. Step 5: Solve for x
    x = 90,799,426,162.44/320,442.06
  6. Step 6: Final answer
    x = 283,356.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.