Home / 262,731.48-394,152.57-85,224.63

Finding the Fourth Proportional to 262,731.48, 394,152.57 and 85,224.63

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Solution

The fourth proportional to 262,731.48, 394,152.57 and 85,224.63 is: 127,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,731.48 : 394,152.57 = 85,224.63 : x
  2. Step 2: Convert to fraction form
    262,731.48/394,152.57 = 85,224.63/x
  3. Step 3: Cross multiply
    262,731.48x = 394,152.57 × 85,224.63
  4. Step 4: Simplify right side
    262,731.48x = 33,591,506,941.80
  5. Step 5: Solve for x
    x = 33,591,506,941.80/262,731.48
  6. Step 6: Final answer
    x = 127,854.90

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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.