Home / 511,195.01-766,273.04-211,838.45

Finding the Fourth Proportional to 511,195.01, 766,273.04 and 211,838.45

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Solution

The fourth proportional to 511,195.01, 766,273.04 and 211,838.45 is: 317,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,195.01 : 766,273.04 = 211,838.45 : x
  2. Step 2: Convert to fraction form
    511,195.01/766,273.04 = 211,838.45/x
  3. Step 3: Cross multiply
    511,195.01x = 766,273.04 × 211,838.45
  4. Step 4: Simplify right side
    511,195.01x = 162,326,092,011.20
  5. Step 5: Solve for x
    x = 162,326,092,011.20/511,195.01
  6. Step 6: Final answer
    x = 317,542.40

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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.