Home / 319,520.72-479,327.16-97,922

Finding the Fourth Proportional to 319,520.72, 479,327.16 and 97,922

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Solution

The fourth proportional to 319,520.72, 479,327.16 and 97,922 is: 146,897.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,520.72 : 479,327.16 = 97,922 : x
  2. Step 2: Convert to fraction form
    319,520.72/479,327.16 = 97,922/x
  3. Step 3: Cross multiply
    319,520.72x = 479,327.16 × 97,922
  4. Step 4: Simplify right side
    319,520.72x = 46,936,674,161.52
  5. Step 5: Solve for x
    x = 46,936,674,161.52/319,520.72
  6. Step 6: Final answer
    x = 146,897.12

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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.