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Finding the Fourth Proportional to 283,511.70, 425,595.60 and 163,664.10

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Solution

The fourth proportional to 283,511.70, 425,595.60 and 163,664.10 is: 245,685.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,511.70 : 425,595.60 = 163,664.10 : x
  2. Step 2: Convert to fraction form
    283,511.70/425,595.60 = 163,664.10/x
  3. Step 3: Cross multiply
    283,511.70x = 425,595.60 × 163,664.10
  4. Step 4: Simplify right side
    283,511.70x = 69,654,720,837.96
  5. Step 5: Solve for x
    x = 69,654,720,837.96/283,511.70
  6. Step 6: Final answer
    x = 245,685.52

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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.