Home / 288,818.41-398,584.54-166,329.38

Finding the Fourth Proportional to 288,818.41, 398,584.54 and 166,329.38

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Solution

The fourth proportional to 288,818.41, 398,584.54 and 166,329.38 is: 229,543.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,818.41 : 398,584.54 = 166,329.38 : x
  2. Step 2: Convert to fraction form
    288,818.41/398,584.54 = 166,329.38/x
  3. Step 3: Cross multiply
    288,818.41x = 398,584.54 × 166,329.38
  4. Step 4: Simplify right side
    288,818.41x = 66,296,319,136.17
  5. Step 5: Solve for x
    x = 66,296,319,136.17/288,818.41
  6. Step 6: Final answer
    x = 229,543.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.