Home / 285,941.40-394,592.94-158,614.20

Finding the Fourth Proportional to 285,941.40, 394,592.94 and 158,614.20

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Solution

The fourth proportional to 285,941.40, 394,592.94 and 158,614.20 is: 218,884.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,941.40 : 394,592.94 = 158,614.20 : x
  2. Step 2: Convert to fraction form
    285,941.40/394,592.94 = 158,614.20/x
  3. Step 3: Cross multiply
    285,941.40x = 394,592.94 × 158,614.20
  4. Step 4: Simplify right side
    285,941.40x = 62,588,043,503.75
  5. Step 5: Solve for x
    x = 62,588,043,503.75/285,941.40
  6. Step 6: Final answer
    x = 218,884.16

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1.5x scale

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.