Home / 339,569.40-508,982.10-170,820.60

Finding the Fourth Proportional to 339,569.40, 508,982.10 and 170,820.60

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Solution

The fourth proportional to 339,569.40, 508,982.10 and 170,820.60 is: 256,043.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,569.40 : 508,982.10 = 170,820.60 : x
  2. Step 2: Convert to fraction form
    339,569.40/508,982.10 = 170,820.60/x
  3. Step 3: Cross multiply
    339,569.40x = 508,982.10 × 170,820.60
  4. Step 4: Simplify right side
    339,569.40x = 86,944,627,711.26
  5. Step 5: Solve for x
    x = 86,944,627,711.26/339,569.40
  6. Step 6: Final answer
    x = 256,043.77

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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.