Finding the Fourth Proportional to 274,906.84, 379,371.18 and 154,049.08
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Solution
The fourth proportional to 274,906.84, 379,371.18 and 154,049.08 is: 212,587.59
Step by Step Solution
- Step 1: Write the proportion equation
274,906.84 : 379,371.18 = 154,049.08 : x - Step 2: Convert to fraction form
274,906.84/379,371.18 = 154,049.08/x - Step 3: Cross multiply
274,906.84x = 379,371.18 × 154,049.08 - Step 4: Simplify right side
274,906.84x = 58,441,781,257.51 - Step 5: Solve for x
x = 58,441,781,257.51/274,906.84 - Step 6: Final answer
x = 212,587.59
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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.