Finding the Fourth Proportional to 225,965.36, 338,956.86 and 68,193.83
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Solution
The fourth proportional to 225,965.36, 338,956.86 and 68,193.83 is: 102,293.41
Step by Step Solution
- Step 1: Write the proportion equation
225,965.36 : 338,956.86 = 68,193.83 : x - Step 2: Convert to fraction form
225,965.36/338,956.86 = 68,193.83/x - Step 3: Cross multiply
225,965.36x = 338,956.86 × 68,193.83 - Step 4: Simplify right side
225,965.36x = 23,114,766,488.17 - Step 5: Solve for x
x = 23,114,766,488.17/225,965.36 - Step 6: Final answer
x = 102,293.41
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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.