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Finding the Fourth Proportional to 407,092.02, 561,787.11 and 225,806.10

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Solution

The fourth proportional to 407,092.02, 561,787.11 and 225,806.10 is: 311,612.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,092.02 : 561,787.11 = 225,806.10 : x
  2. Step 2: Convert to fraction form
    407,092.02/561,787.11 = 225,806.10/x
  3. Step 3: Cross multiply
    407,092.02x = 561,787.11 × 225,806.10
  4. Step 4: Simplify right side
    407,092.02x = 126,854,956,339.37
  5. Step 5: Solve for x
    x = 126,854,956,339.37/407,092.02
  6. Step 6: Final answer
    x = 311,612.49

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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.