Home / 290,729.04-401,227.20-177,573.12

Finding the Fourth Proportional to 290,729.04, 401,227.20 and 177,573.12

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Solution

The fourth proportional to 290,729.04, 401,227.20 and 177,573.12 is: 245,063.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,729.04 : 401,227.20 = 177,573.12 : x
  2. Step 2: Convert to fraction form
    290,729.04/401,227.20 = 177,573.12/x
  3. Step 3: Cross multiply
    290,729.04x = 401,227.20 × 177,573.12
  4. Step 4: Simplify right side
    290,729.04x = 71,247,165,732.86
  5. Step 5: Solve for x
    x = 71,247,165,732.86/290,729.04
  6. Step 6: Final answer
    x = 245,063.81

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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.