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Finding the Fourth Proportional to 140,363.64, 210,482.92 and 40,500.10

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Solution

The fourth proportional to 140,363.64, 210,482.92 and 40,500.10 is: 60,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,363.64 : 210,482.92 = 40,500.10 : x
  2. Step 2: Convert to fraction form
    140,363.64/210,482.92 = 40,500.10/x
  3. Step 3: Cross multiply
    140,363.64x = 210,482.92 × 40,500.10
  4. Step 4: Simplify right side
    140,363.64x = 8,524,579,308.29
  5. Step 5: Solve for x
    x = 8,524,579,308.29/140,363.64
  6. Step 6: Final answer
    x = 60,732.10

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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.