Home / 445,937.24-669,008-193,260.16

Finding the Fourth Proportional to 445,937.24, 669,008 and 193,260.16

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Solution

The fourth proportional to 445,937.24, 669,008 and 193,260.16 is: 289,934.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,937.24 : 669,008 = 193,260.16 : x
  2. Step 2: Convert to fraction form
    445,937.24/669,008 = 193,260.16/x
  3. Step 3: Cross multiply
    445,937.24x = 669,008 × 193,260.16
  4. Step 4: Simplify right side
    445,937.24x = 129,292,593,121.28
  5. Step 5: Solve for x
    x = 129,292,593,121.28/445,937.24
  6. Step 6: Final answer
    x = 289,934.51

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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.