Home / 276,514.38-415,018.74-141,670.32

Finding the Fourth Proportional to 276,514.38, 415,018.74 and 141,670.32

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Solution

The fourth proportional to 276,514.38, 415,018.74 and 141,670.32 is: 212,632.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,514.38 : 415,018.74 = 141,670.32 : x
  2. Step 2: Convert to fraction form
    276,514.38/415,018.74 = 141,670.32/x
  3. Step 3: Cross multiply
    276,514.38x = 415,018.74 × 141,670.32
  4. Step 4: Simplify right side
    276,514.38x = 58,795,837,701.80
  5. Step 5: Solve for x
    x = 58,795,837,701.80/276,514.38
  6. Step 6: Final answer
    x = 212,632.12

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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.