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Finding the Fourth Proportional to 262,832.08, 394,248.12 and 85,357.04

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Solution

The fourth proportional to 262,832.08, 394,248.12 and 85,357.04 is: 128,035.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,832.08 : 394,248.12 = 85,357.04 : x
  2. Step 2: Convert to fraction form
    262,832.08/394,248.12 = 85,357.04/x
  3. Step 3: Cross multiply
    262,832.08x = 394,248.12 × 85,357.04
  4. Step 4: Simplify right side
    262,832.08x = 33,651,852,548.76
  5. Step 5: Solve for x
    x = 33,651,852,548.76/262,832.08
  6. Step 6: Final answer
    x = 128,035.56

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1.5x scale

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.