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Finding the Fourth Proportional to 170,010, 255,013.48 and 63,390.33

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Solution

The fourth proportional to 170,010, 255,013.48 and 63,390.33 is: 95,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,010 : 255,013.48 = 63,390.33 : x
  2. Step 2: Convert to fraction form
    170,010/255,013.48 = 63,390.33/x
  3. Step 3: Cross multiply
    170,010x = 255,013.48 × 63,390.33
  4. Step 4: Simplify right side
    170,010x = 16,165,388,730.89
  5. Step 5: Solve for x
    x = 16,165,388,730.89/170,010
  6. Step 6: Final answer
    x = 95,084.93

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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.