Home / 319,595.06-479,575.76-130,020.44

Finding the Fourth Proportional to 319,595.06, 479,575.76 and 130,020.44

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Solution

The fourth proportional to 319,595.06, 479,575.76 and 130,020.44 is: 195,105.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,595.06 : 479,575.76 = 130,020.44 : x
  2. Step 2: Convert to fraction form
    319,595.06/479,575.76 = 130,020.44/x
  3. Step 3: Cross multiply
    319,595.06x = 479,575.76 × 130,020.44
  4. Step 4: Simplify right side
    319,595.06x = 62,354,651,328.53
  5. Step 5: Solve for x
    x = 62,354,651,328.53/319,595.06
  6. Step 6: Final answer
    x = 195,105.18

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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.