Home / 230,815.96-318,579.16-135,353.41

Finding the Fourth Proportional to 230,815.96, 318,579.16 and 135,353.41

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Solution

The fourth proportional to 230,815.96, 318,579.16 and 135,353.41 is: 186,818.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,815.96 : 318,579.16 = 135,353.41 : x
  2. Step 2: Convert to fraction form
    230,815.96/318,579.16 = 135,353.41/x
  3. Step 3: Cross multiply
    230,815.96x = 318,579.16 × 135,353.41
  4. Step 4: Simplify right side
    230,815.96x = 43,120,774,068.04
  5. Step 5: Solve for x
    x = 43,120,774,068.04/230,815.96
  6. Step 6: Final answer
    x = 186,818.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.