Home / 274,925.22-412,387.53-75,247.26

Finding the Fourth Proportional to 274,925.22, 412,387.53 and 75,247.26

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Solution

The fourth proportional to 274,925.22, 412,387.53 and 75,247.26 is: 112,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,925.22 : 412,387.53 = 75,247.26 : x
  2. Step 2: Convert to fraction form
    274,925.22/412,387.53 = 75,247.26/x
  3. Step 3: Cross multiply
    274,925.22x = 412,387.53 × 75,247.26
  4. Step 4: Simplify right side
    274,925.22x = 31,031,031,690.67
  5. Step 5: Solve for x
    x = 31,031,031,690.67/274,925.22
  6. Step 6: Final answer
    x = 112,870.81

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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.