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Finding the Fourth Proportional to 312,591.24, 466,764.98 and 248,696.82

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Solution

The fourth proportional to 312,591.24, 466,764.98 and 248,696.82 is: 371,357.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,591.24 : 466,764.98 = 248,696.82 : x
  2. Step 2: Convert to fraction form
    312,591.24/466,764.98 = 248,696.82/x
  3. Step 3: Cross multiply
    312,591.24x = 466,764.98 × 248,696.82
  4. Step 4: Simplify right side
    312,591.24x = 116,082,964,969.88
  5. Step 5: Solve for x
    x = 116,082,964,969.88/312,591.24
  6. Step 6: Final answer
    x = 371,357.06

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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.