Home / 306,040.58-459,211.73-137,680.05

Finding the Fourth Proportional to 306,040.58, 459,211.73 and 137,680.05

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Solution

The fourth proportional to 306,040.58, 459,211.73 and 137,680.05 is: 206,587.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,040.58 : 459,211.73 = 137,680.05 : x
  2. Step 2: Convert to fraction form
    306,040.58/459,211.73 = 137,680.05/x
  3. Step 3: Cross multiply
    306,040.58x = 459,211.73 × 137,680.05
  4. Step 4: Simplify right side
    306,040.58x = 63,224,293,258.59
  5. Step 5: Solve for x
    x = 63,224,293,258.59/306,040.58
  6. Step 6: Final answer
    x = 206,587.94

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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.