Home / 285,566.60-394,080.84-158,242.10

Finding the Fourth Proportional to 285,566.60, 394,080.84 and 158,242.10

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Solution

The fourth proportional to 285,566.60, 394,080.84 and 158,242.10 is: 218,373.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,566.60 : 394,080.84 = 158,242.10 : x
  2. Step 2: Convert to fraction form
    285,566.60/394,080.84 = 158,242.10/x
  3. Step 3: Cross multiply
    285,566.60x = 394,080.84 × 158,242.10
  4. Step 4: Simplify right side
    285,566.60x = 62,360,177,720.96
  5. Step 5: Solve for x
    x = 62,360,177,720.96/285,566.60
  6. Step 6: Final answer
    x = 218,373.50

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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.