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Finding the Fourth Proportional to 511,802.82, 767,537.91 and 170,154.27

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Solution

The fourth proportional to 511,802.82, 767,537.91 and 170,154.27 is: 255,176.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,802.82 : 767,537.91 = 170,154.27 : x
  2. Step 2: Convert to fraction form
    511,802.82/767,537.91 = 170,154.27/x
  3. Step 3: Cross multiply
    511,802.82x = 767,537.91 × 170,154.27
  4. Step 4: Simplify right side
    511,802.82x = 130,599,852,773.38
  5. Step 5: Solve for x
    x = 130,599,852,773.38/511,802.82
  6. Step 6: Final answer
    x = 255,176.11

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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.