Home / 212,682.24-319,024.60-54,899.92

Finding the Fourth Proportional to 212,682.24, 319,024.60 and 54,899.92

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Solution

The fourth proportional to 212,682.24, 319,024.60 and 54,899.92 is: 82,350.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,682.24 : 319,024.60 = 54,899.92 : x
  2. Step 2: Convert to fraction form
    212,682.24/319,024.60 = 54,899.92/x
  3. Step 3: Cross multiply
    212,682.24x = 319,024.60 × 54,899.92
  4. Step 4: Simplify right side
    212,682.24x = 17,514,425,018.03
  5. Step 5: Solve for x
    x = 17,514,425,018.03/212,682.24
  6. Step 6: Final answer
    x = 82,350.20

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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.