Home / 305,214.44-455,965.10-197,723.38

Finding the Fourth Proportional to 305,214.44, 455,965.10 and 197,723.38

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Solution

The fourth proportional to 305,214.44, 455,965.10 and 197,723.38 is: 295,382.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,214.44 : 455,965.10 = 197,723.38 : x
  2. Step 2: Convert to fraction form
    305,214.44/455,965.10 = 197,723.38/x
  3. Step 3: Cross multiply
    305,214.44x = 455,965.10 × 197,723.38
  4. Step 4: Simplify right side
    305,214.44x = 90,154,960,734.04
  5. Step 5: Solve for x
    x = 90,154,960,734.04/305,214.44
  6. Step 6: Final answer
    x = 295,382.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.