Finding the Fourth Proportional to 215,701.80, 323,552.70 and 163,213.80
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Solution
The fourth proportional to 215,701.80, 323,552.70 and 163,213.80 is: 244,820.70
Step by Step Solution
- Step 1: Write the proportion equation
215,701.80 : 323,552.70 = 163,213.80 : x - Step 2: Convert to fraction form
215,701.80/323,552.70 = 163,213.80/x - Step 3: Cross multiply
215,701.80x = 323,552.70 × 163,213.80 - Step 4: Simplify right side
215,701.80x = 52,808,265,667.26 - Step 5: Solve for x
x = 52,808,265,667.26/215,701.80 - Step 6: Final answer
x = 244,820.70
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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.