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Finding the Fourth Proportional to 262,088.91, 393,132.29 and 75,100.41

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Solution

The fourth proportional to 262,088.91, 393,132.29 and 75,100.41 is: 112,650.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,088.91 : 393,132.29 = 75,100.41 : x
  2. Step 2: Convert to fraction form
    262,088.91/393,132.29 = 75,100.41/x
  3. Step 3: Cross multiply
    262,088.91x = 393,132.29 × 75,100.41
  4. Step 4: Simplify right side
    262,088.91x = 29,524,395,787.74
  5. Step 5: Solve for x
    x = 29,524,395,787.74/262,088.91
  6. Step 6: Final answer
    x = 112,650.31

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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.