Home / 212,464.17-318,579.77-84,250.62

Finding the Fourth Proportional to 212,464.17, 318,579.77 and 84,250.62

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Solution

The fourth proportional to 212,464.17, 318,579.77 and 84,250.62 is: 126,329.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,464.17 : 318,579.77 = 84,250.62 : x
  2. Step 2: Convert to fraction form
    212,464.17/318,579.77 = 84,250.62/x
  3. Step 3: Cross multiply
    212,464.17x = 318,579.77 × 84,250.62
  4. Step 4: Simplify right side
    212,464.17x = 26,840,543,352.58
  5. Step 5: Solve for x
    x = 26,840,543,352.58/212,464.17
  6. Step 6: Final answer
    x = 126,329.74

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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.