Home / 227,930.96-314,555.60-137,315.05

Finding the Fourth Proportional to 227,930.96, 314,555.60 and 137,315.05

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Solution

The fourth proportional to 227,930.96, 314,555.60 and 137,315.05 is: 189,501.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,930.96 : 314,555.60 = 137,315.05 : x
  2. Step 2: Convert to fraction form
    227,930.96/314,555.60 = 137,315.05/x
  3. Step 3: Cross multiply
    227,930.96x = 314,555.60 × 137,315.05
  4. Step 4: Simplify right side
    227,930.96x = 43,193,217,498.68
  5. Step 5: Solve for x
    x = 43,193,217,498.68/227,930.96
  6. Step 6: Final answer
    x = 189,501.32

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1.5x scale

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.