Finding the Fourth Proportional to 215,701.08, 323,331.30 and 75,344.28
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Solution
The fourth proportional to 215,701.08, 323,331.30 and 75,344.28 is: 112,939.46
Step by Step Solution
- Step 1: Write the proportion equation
215,701.08 : 323,331.30 = 75,344.28 : x - Step 2: Convert to fraction form
215,701.08/323,331.30 = 75,344.28/x - Step 3: Cross multiply
215,701.08x = 323,331.30 × 75,344.28 - Step 4: Simplify right side
215,701.08x = 24,361,163,999.96 - Step 5: Solve for x
x = 24,361,163,999.96/215,701.08 - Step 6: Final answer
x = 112,939.46
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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.