Finding the Fourth Proportional to 274,818.28, 411,634.94 and 185,581.08
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Solution
The fourth proportional to 274,818.28, 411,634.94 and 185,581.08 is: 277,971.53
Step by Step Solution
- Step 1: Write the proportion equation
274,818.28 : 411,634.94 = 185,581.08 : x - Step 2: Convert to fraction form
274,818.28/411,634.94 = 185,581.08/x - Step 3: Cross multiply
274,818.28x = 411,634.94 × 185,581.08 - Step 4: Simplify right side
274,818.28x = 76,391,656,730.94 - Step 5: Solve for x
x = 76,391,656,730.94/274,818.28 - Step 6: Final answer
x = 277,971.53
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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.