Home / 319,763.26-479,561.35-95,063.19

Finding the Fourth Proportional to 319,763.26, 479,561.35 and 95,063.19

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Solution

The fourth proportional to 319,763.26, 479,561.35 and 95,063.19 is: 142,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,763.26 : 479,561.35 = 95,063.19 : x
  2. Step 2: Convert to fraction form
    319,763.26/479,561.35 = 95,063.19/x
  3. Step 3: Cross multiply
    319,763.26x = 479,561.35 × 95,063.19
  4. Step 4: Simplify right side
    319,763.26x = 45,588,631,731.71
  5. Step 5: Solve for x
    x = 45,588,631,731.71/319,763.26
  6. Step 6: Final answer
    x = 142,569.95

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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.