Home / 227,308.59-313,557.48-142,278.03

Finding the Fourth Proportional to 227,308.59, 313,557.48 and 142,278.03

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Solution

The fourth proportional to 227,308.59, 313,557.48 and 142,278.03 is: 196,263.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,308.59 : 313,557.48 = 142,278.03 : x
  2. Step 2: Convert to fraction form
    227,308.59/313,557.48 = 142,278.03/x
  3. Step 3: Cross multiply
    227,308.59x = 313,557.48 × 142,278.03
  4. Step 4: Simplify right side
    227,308.59x = 44,612,340,546.16
  5. Step 5: Solve for x
    x = 44,612,340,546.16/227,308.59
  6. Step 6: Final answer
    x = 196,263.33

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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.