Finding the Fourth Proportional to 225,882.80, 338,655.70 and 135,904.44
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Solution
The fourth proportional to 225,882.80, 338,655.70 and 135,904.44 is: 203,755.28
Step by Step Solution
- Step 1: Write the proportion equation
225,882.80 : 338,655.70 = 135,904.44 : x - Step 2: Convert to fraction form
225,882.80/338,655.70 = 135,904.44/x - Step 3: Cross multiply
225,882.80x = 338,655.70 × 135,904.44 - Step 4: Simplify right side
225,882.80x = 46,024,813,261.31 - Step 5: Solve for x
x = 46,024,813,261.31/225,882.80 - Step 6: Final answer
x = 203,755.28
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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.