Home / 345,927.38-477,198.12-281,468.66

Finding the Fourth Proportional to 345,927.38, 477,198.12 and 281,468.66

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Solution

The fourth proportional to 345,927.38, 477,198.12 and 281,468.66 is: 388,278.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,927.38 : 477,198.12 = 281,468.66 : x
  2. Step 2: Convert to fraction form
    345,927.38/477,198.12 = 281,468.66/x
  3. Step 3: Cross multiply
    345,927.38x = 477,198.12 × 281,468.66
  4. Step 4: Simplify right side
    345,927.38x = 134,316,315,390.92
  5. Step 5: Solve for x
    x = 134,316,315,390.92/345,927.38
  6. Step 6: Final answer
    x = 388,278.94

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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.