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Finding the Fourth Proportional to 225,087.40, 337,436.70 and 136,246.60

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Solution

The fourth proportional to 225,087.40, 337,436.70 and 136,246.60 is: 204,252.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,087.40 : 337,436.70 = 136,246.60 : x
  2. Step 2: Convert to fraction form
    225,087.40/337,436.70 = 136,246.60/x
  3. Step 3: Cross multiply
    225,087.40x = 337,436.70 × 136,246.60
  4. Step 4: Simplify right side
    225,087.40x = 45,974,603,090.22
  5. Step 5: Solve for x
    x = 45,974,603,090.22/225,087.40
  6. Step 6: Final answer
    x = 204,252.23

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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.