Home / 854,530.20-1,281,698.10-223,507.80

Finding the Fourth Proportional to 854,530.20, 1,281,698.10 and 223,507.80

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Solution

The fourth proportional to 854,530.20, 1,281,698.10 and 223,507.80 is: 335,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,530.20 : 1,281,698.10 = 223,507.80 : x
  2. Step 2: Convert to fraction form
    854,530.20/1,281,698.10 = 223,507.80/x
  3. Step 3: Cross multiply
    854,530.20x = 1,281,698.10 × 223,507.80
  4. Step 4: Simplify right side
    854,530.20x = 286,469,522,595.18
  5. Step 5: Solve for x
    x = 286,469,522,595.18/854,530.20
  6. Step 6: Final answer
    x = 335,236.28

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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.