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Finding the Fourth Proportional to 306,859, 423,465.48 and 179,559.04

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Solution

The fourth proportional to 306,859, 423,465.48 and 179,559.04 is: 247,791.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,859 : 423,465.48 = 179,559.04 : x
  2. Step 2: Convert to fraction form
    306,859/423,465.48 = 179,559.04/x
  3. Step 3: Cross multiply
    306,859x = 423,465.48 × 179,559.04
  4. Step 4: Simplify right side
    306,859x = 76,037,055,061.94
  5. Step 5: Solve for x
    x = 76,037,055,061.94/306,859
  6. Step 6: Final answer
    x = 247,791.51

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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.