Finding the Fourth Proportional to 356,073.84, 491,381.08 and 194,927.48
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Solution
The fourth proportional to 356,073.84, 491,381.08 and 194,927.48 is: 268,999.47
Step by Step Solution
- Step 1: Write the proportion equation
356,073.84 : 491,381.08 = 194,927.48 : x - Step 2: Convert to fraction form
356,073.84/491,381.08 = 194,927.48/x - Step 3: Cross multiply
356,073.84x = 491,381.08 × 194,927.48 - Step 4: Simplify right side
356,073.84x = 95,783,675,639.00 - Step 5: Solve for x
x = 95,783,675,639.00/356,073.84 - Step 6: Final answer
x = 268,999.47
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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.