Home / 511,022.07-766,645.29-151,164.81

Finding the Fourth Proportional to 511,022.07, 766,645.29 and 151,164.81

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Solution

The fourth proportional to 511,022.07, 766,645.29 and 151,164.81 is: 226,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,022.07 : 766,645.29 = 151,164.81 : x
  2. Step 2: Convert to fraction form
    511,022.07/766,645.29 = 151,164.81/x
  3. Step 3: Cross multiply
    511,022.07x = 766,645.29 × 151,164.81
  4. Step 4: Simplify right side
    511,022.07x = 115,889,789,600.25
  5. Step 5: Solve for x
    x = 115,889,789,600.25/511,022.07
  6. Step 6: Final answer
    x = 226,780.40

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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.