Home / 285,947.04-394,592.40-158,619.90

Finding the Fourth Proportional to 285,947.04, 394,592.40 and 158,619.90

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Solution

The fourth proportional to 285,947.04, 394,592.40 and 158,619.90 is: 218,887.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,947.04 : 394,592.40 = 158,619.90 : x
  2. Step 2: Convert to fraction form
    285,947.04/394,592.40 = 158,619.90/x
  3. Step 3: Cross multiply
    285,947.04x = 394,592.40 × 158,619.90
  4. Step 4: Simplify right side
    285,947.04x = 62,590,207,028.76
  5. Step 5: Solve for x
    x = 62,590,207,028.76/285,947.04
  6. Step 6: Final answer
    x = 218,887.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.