Finding the Fourth Proportional to 207,274.62, 310,877.15 and 57,530.12
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Solution
The fourth proportional to 207,274.62, 310,877.15 and 57,530.12 is: 86,285.53
Step by Step Solution
- Step 1: Write the proportion equation
207,274.62 : 310,877.15 = 57,530.12 : x - Step 2: Convert to fraction form
207,274.62/310,877.15 = 57,530.12/x - Step 3: Cross multiply
207,274.62x = 310,877.15 × 57,530.12 - Step 4: Simplify right side
207,274.62x = 17,884,800,378.13 - Step 5: Solve for x
x = 17,884,800,378.13/207,274.62 - Step 6: Final answer
x = 86,285.53
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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.