Home / 319,780.08-479,622.12-201,089.52

Finding the Fourth Proportional to 319,780.08, 479,622.12 and 201,089.52

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Solution

The fourth proportional to 319,780.08, 479,622.12 and 201,089.52 is: 301,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,780.08 : 479,622.12 = 201,089.52 : x
  2. Step 2: Convert to fraction form
    319,780.08/479,622.12 = 201,089.52/x
  3. Step 3: Cross multiply
    319,780.08x = 479,622.12 × 201,089.52
  4. Step 4: Simplify right side
    319,780.08x = 96,446,981,892.18
  5. Step 5: Solve for x
    x = 96,446,981,892.18/319,780.08
  6. Step 6: Final answer
    x = 301,604.10

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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.