Finding the Fourth Proportional to 225,508.15, 338,261.99 and 92,388.65
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Solution
The fourth proportional to 225,508.15, 338,261.99 and 92,388.65 is: 138,582.87
Step by Step Solution
- Step 1: Write the proportion equation
225,508.15 : 338,261.99 = 92,388.65 : x - Step 2: Convert to fraction form
225,508.15/338,261.99 = 92,388.65/x - Step 3: Cross multiply
225,508.15x = 338,261.99 × 92,388.65 - Step 4: Simplify right side
225,508.15x = 31,251,566,911.10 - Step 5: Solve for x
x = 31,251,566,911.10/225,508.15 - Step 6: Final answer
x = 138,582.87
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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.