Home / 445,085.24-667,655-145,597.44

Finding the Fourth Proportional to 445,085.24, 667,655 and 145,597.44

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Solution

The fourth proportional to 445,085.24, 667,655 and 145,597.44 is: 218,405.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,085.24 : 667,655 = 145,597.44 : x
  2. Step 2: Convert to fraction form
    445,085.24/667,655 = 145,597.44/x
  3. Step 3: Cross multiply
    445,085.24x = 667,655 × 145,597.44
  4. Step 4: Simplify right side
    445,085.24x = 97,208,858,803.20
  5. Step 5: Solve for x
    x = 97,208,858,803.20/445,085.24
  6. Step 6: Final answer
    x = 218,405.04

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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.