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Finding the Fourth Proportional to 609,364.36, 914,036.76 and 166,132.36

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Solution

The fourth proportional to 609,364.36, 914,036.76 and 166,132.36 is: 249,195.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,364.36 : 914,036.76 = 166,132.36 : x
  2. Step 2: Convert to fraction form
    609,364.36/914,036.76 = 166,132.36/x
  3. Step 3: Cross multiply
    609,364.36x = 914,036.76 × 166,132.36
  4. Step 4: Simplify right side
    609,364.36x = 151,851,084,065.55
  5. Step 5: Solve for x
    x = 151,851,084,065.55/609,364.36
  6. Step 6: Final answer
    x = 249,195.87

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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.