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Finding the Fourth Proportional to 372,185.92, 513,450.76 and 248,034.76

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Solution

The fourth proportional to 372,185.92, 513,450.76 and 248,034.76 is: 342,177.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,185.92 : 513,450.76 = 248,034.76 : x
  2. Step 2: Convert to fraction form
    372,185.92/513,450.76 = 248,034.76/x
  3. Step 3: Cross multiply
    372,185.92x = 513,450.76 × 248,034.76
  4. Step 4: Simplify right side
    372,185.92x = 127,353,636,028.42
  5. Step 5: Solve for x
    x = 127,353,636,028.42/372,185.92
  6. Step 6: Final answer
    x = 342,177.47

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Similar ratio
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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.