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Finding the Fourth Proportional to 317,383.02, 438,016.96 and 174,170.98

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Solution

The fourth proportional to 317,383.02, 438,016.96 and 174,170.98 is: 240,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,383.02 : 438,016.96 = 174,170.98 : x
  2. Step 2: Convert to fraction form
    317,383.02/438,016.96 = 174,170.98/x
  3. Step 3: Cross multiply
    317,383.02x = 438,016.96 × 174,170.98
  4. Step 4: Simplify right side
    317,383.02x = 76,289,843,179.82
  5. Step 5: Solve for x
    x = 76,289,843,179.82/317,383.02
  6. Step 6: Final answer
    x = 240,371.53

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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.