Home / 320,932.60-442,900.82-177,692.64

Finding the Fourth Proportional to 320,932.60, 442,900.82 and 177,692.64

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Solution

The fourth proportional to 320,932.60, 442,900.82 and 177,692.64 is: 245,223.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,932.60 : 442,900.82 = 177,692.64 : x
  2. Step 2: Convert to fraction form
    320,932.60/442,900.82 = 177,692.64/x
  3. Step 3: Cross multiply
    320,932.60x = 442,900.82 × 177,692.64
  4. Step 4: Simplify right side
    320,932.60x = 78,700,215,963.96
  5. Step 5: Solve for x
    x = 78,700,215,963.96/320,932.60
  6. Step 6: Final answer
    x = 245,223.50

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1.5x scale

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.