Home / 225,617.84-338,427.56-57,138.12

Finding the Fourth Proportional to 225,617.84, 338,427.56 and 57,138.12

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Solution

The fourth proportional to 225,617.84, 338,427.56 and 57,138.12 is: 85,707.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,617.84 : 338,427.56 = 57,138.12 : x
  2. Step 2: Convert to fraction form
    225,617.84/338,427.56 = 57,138.12/x
  3. Step 3: Cross multiply
    225,617.84x = 338,427.56 × 57,138.12
  4. Step 4: Simplify right side
    225,617.84x = 19,337,114,534.59
  5. Step 5: Solve for x
    x = 19,337,114,534.59/225,617.84
  6. Step 6: Final answer
    x = 85,707.38

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1.5x scale

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.