Home / 768,096.82-1,152,145.35-207,131.38

Finding the Fourth Proportional to 768,096.82, 1,152,145.35 and 207,131.38

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Solution

The fourth proportional to 768,096.82, 1,152,145.35 and 207,131.38 is: 310,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,096.82 : 1,152,145.35 = 207,131.38 : x
  2. Step 2: Convert to fraction form
    768,096.82/1,152,145.35 = 207,131.38/x
  3. Step 3: Cross multiply
    768,096.82x = 1,152,145.35 × 207,131.38
  4. Step 4: Simplify right side
    768,096.82x = 238,645,456,306.08
  5. Step 5: Solve for x
    x = 238,645,456,306.08/768,096.82
  6. Step 6: Final answer
    x = 310,697.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.