Finding the Fourth Proportional to 176,419.84, 264,589.86 and 81,597.99
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Solution
The fourth proportional to 176,419.84, 264,589.86 and 81,597.99 is: 122,378.53
Step by Step Solution
- Step 1: Write the proportion equation
176,419.84 : 264,589.86 = 81,597.99 : x - Step 2: Convert to fraction form
176,419.84/264,589.86 = 81,597.99/x - Step 3: Cross multiply
176,419.84x = 264,589.86 × 81,597.99 - Step 4: Simplify right side
176,419.84x = 21,590,000,750.38 - Step 5: Solve for x
x = 21,590,000,750.38/176,419.84 - Step 6: Final answer
x = 122,378.53
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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.