Finding the Fourth Proportional to 318,236.96, 439,178.28 and 175,008.08
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Solution
The fourth proportional to 318,236.96, 439,178.28 and 175,008.08 is: 241,517.35
Step by Step Solution
- Step 1: Write the proportion equation
318,236.96 : 439,178.28 = 175,008.08 : x - Step 2: Convert to fraction form
318,236.96/439,178.28 = 175,008.08/x - Step 3: Cross multiply
318,236.96x = 439,178.28 × 175,008.08 - Step 4: Simplify right side
318,236.96x = 76,859,747,560.50 - Step 5: Solve for x
x = 76,859,747,560.50/318,236.96 - Step 6: Final answer
x = 241,517.35
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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.