Home / 230,819.56-345,554.46-208,683.88

Finding the Fourth Proportional to 230,819.56, 345,554.46 and 208,683.88

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Solution

The fourth proportional to 230,819.56, 345,554.46 and 208,683.88 is: 312,415.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,819.56 : 345,554.46 = 208,683.88 : x
  2. Step 2: Convert to fraction form
    230,819.56/345,554.46 = 208,683.88/x
  3. Step 3: Cross multiply
    230,819.56x = 345,554.46 × 208,683.88
  4. Step 4: Simplify right side
    230,819.56x = 72,111,645,464.10
  5. Step 5: Solve for x
    x = 72,111,645,464.10/230,819.56
  6. Step 6: Final answer
    x = 312,415.66

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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.