Home / 320,932.42-442,900.57-177,692.46

Finding the Fourth Proportional to 320,932.42, 442,900.57 and 177,692.46

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Solution

The fourth proportional to 320,932.42, 442,900.57 and 177,692.46 is: 245,223.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,932.42 : 442,900.57 = 177,692.46 : x
  2. Step 2: Convert to fraction form
    320,932.42/442,900.57 = 177,692.46/x
  3. Step 3: Cross multiply
    320,932.42x = 442,900.57 × 177,692.46
  4. Step 4: Simplify right side
    320,932.42x = 78,700,091,792.19
  5. Step 5: Solve for x
    x = 78,700,091,792.19/320,932.42
  6. Step 6: Final answer
    x = 245,223.25

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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.