Home / 382,666.38-573,976.32-142,734.03

Finding the Fourth Proportional to 382,666.38, 573,976.32 and 142,734.03

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Solution

The fourth proportional to 382,666.38, 573,976.32 and 142,734.03 is: 214,092.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,666.38 : 573,976.32 = 142,734.03 : x
  2. Step 2: Convert to fraction form
    382,666.38/573,976.32 = 142,734.03/x
  3. Step 3: Cross multiply
    382,666.38x = 573,976.32 × 142,734.03
  4. Step 4: Simplify right side
    382,666.38x = 81,925,953,278.17
  5. Step 5: Solve for x
    x = 81,925,953,278.17/382,666.38
  6. Step 6: Final answer
    x = 214,092.37

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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.