Finding the Fourth Proportional to 215,685.62, 323,530.50 and 57,914.08
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Solution
The fourth proportional to 215,685.62, 323,530.50 and 57,914.08 is: 86,871.68
Step by Step Solution
- Step 1: Write the proportion equation
215,685.62 : 323,530.50 = 57,914.08 : x - Step 2: Convert to fraction form
215,685.62/323,530.50 = 57,914.08/x - Step 3: Cross multiply
215,685.62x = 323,530.50 × 57,914.08 - Step 4: Simplify right side
215,685.62x = 18,736,971,259.44 - Step 5: Solve for x
x = 18,736,971,259.44/215,685.62 - Step 6: Final answer
x = 86,871.68
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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.