Home / 317,427.82-438,049.15-174,190.26

Finding the Fourth Proportional to 317,427.82, 438,049.15 and 174,190.26

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Solution

The fourth proportional to 317,427.82, 438,049.15 and 174,190.26 is: 240,381.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,427.82 : 438,049.15 = 174,190.26 : x
  2. Step 2: Convert to fraction form
    317,427.82/438,049.15 = 174,190.26/x
  3. Step 3: Cross multiply
    317,427.82x = 438,049.15 × 174,190.26
  4. Step 4: Simplify right side
    317,427.82x = 76,303,895,331.28
  5. Step 5: Solve for x
    x = 76,303,895,331.28/317,427.82
  6. Step 6: Final answer
    x = 240,381.88

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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.