Home / 511,030.10-766,657.35-151,172.78

Finding the Fourth Proportional to 511,030.10, 766,657.35 and 151,172.78

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Solution

The fourth proportional to 511,030.10, 766,657.35 and 151,172.78 is: 226,792.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,030.10 : 766,657.35 = 151,172.78 : x
  2. Step 2: Convert to fraction form
    511,030.10/766,657.35 = 151,172.78/x
  3. Step 3: Cross multiply
    511,030.10x = 766,657.35 × 151,172.78
  4. Step 4: Simplify right side
    511,030.10x = 115,897,722,906.93
  5. Step 5: Solve for x
    x = 115,897,722,906.93/511,030.10
  6. Step 6: Final answer
    x = 226,792.36

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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.