Finding the Fourth Proportional to 302,961.84, 418,081.55 and 165,141.96
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Solution
The fourth proportional to 302,961.84, 418,081.55 and 165,141.96 is: 227,892.75
Step by Step Solution
- Step 1: Write the proportion equation
302,961.84 : 418,081.55 = 165,141.96 : x - Step 2: Convert to fraction form
302,961.84/418,081.55 = 165,141.96/x - Step 3: Cross multiply
302,961.84x = 418,081.55 × 165,141.96 - Step 4: Simplify right side
302,961.84x = 69,042,805,781.13 - Step 5: Solve for x
x = 69,042,805,781.13/302,961.84 - Step 6: Final answer
x = 227,892.75
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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.