Home / 306,985.88-423,669.17-179,661.57

Finding the Fourth Proportional to 306,985.88, 423,669.17 and 179,661.57

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Solution

The fourth proportional to 306,985.88, 423,669.17 and 179,661.57 is: 247,949.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,985.88 : 423,669.17 = 179,661.57 : x
  2. Step 2: Convert to fraction form
    306,985.88/423,669.17 = 179,661.57/x
  3. Step 3: Cross multiply
    306,985.88x = 423,669.17 × 179,661.57
  4. Step 4: Simplify right side
    306,985.88x = 76,117,067,344.49
  5. Step 5: Solve for x
    x = 76,117,067,344.49/306,985.88
  6. Step 6: Final answer
    x = 247,949.74

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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.