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Finding the Fourth Proportional to 95,482.60, 143,231.19 and 28,928.24

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Solution

The fourth proportional to 95,482.60, 143,231.19 and 28,928.24 is: 43,394.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,482.60 : 143,231.19 = 28,928.24 : x
  2. Step 2: Convert to fraction form
    95,482.60/143,231.19 = 28,928.24/x
  3. Step 3: Cross multiply
    95,482.60x = 143,231.19 × 28,928.24
  4. Step 4: Simplify right side
    95,482.60x = 4,143,425,952.29
  5. Step 5: Solve for x
    x = 4,143,425,952.29/95,482.60
  6. Step 6: Final answer
    x = 43,394.57

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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.