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Finding the Fourth Proportional to 283,861.65, 425,800.16 and 70,620.95

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Solution

The fourth proportional to 283,861.65, 425,800.16 and 70,620.95 is: 105,933.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,861.65 : 425,800.16 = 70,620.95 : x
  2. Step 2: Convert to fraction form
    283,861.65/425,800.16 = 70,620.95/x
  3. Step 3: Cross multiply
    283,861.65x = 425,800.16 × 70,620.95
  4. Step 4: Simplify right side
    283,861.65x = 30,070,410,390.45
  5. Step 5: Solve for x
    x = 30,070,410,390.45/283,861.65
  6. Step 6: Final answer
    x = 105,933.33

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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.