Finding the Fourth Proportional to 236,439.24, 326,298.66 and 135,843.72
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Solution
The fourth proportional to 236,439.24, 326,298.66 and 135,843.72 is: 187,471.52
Step by Step Solution
- Step 1: Write the proportion equation
236,439.24 : 326,298.66 = 135,843.72 : x - Step 2: Convert to fraction form
236,439.24/326,298.66 = 135,843.72/x - Step 3: Cross multiply
236,439.24x = 326,298.66 × 135,843.72 - Step 4: Simplify right side
236,439.24x = 44,325,623,805.42 - Step 5: Solve for x
x = 44,325,623,805.42/236,439.24 - Step 6: Final answer
x = 187,471.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.