Finding the Fourth Proportional to 356,006.22, 491,288.75 and 194,862.09
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Solution
The fourth proportional to 356,006.22, 491,288.75 and 194,862.09 is: 268,909.77
Step by Step Solution
- Step 1: Write the proportion equation
356,006.22 : 491,288.75 = 194,862.09 : x - Step 2: Convert to fraction form
356,006.22/491,288.75 = 194,862.09/x - Step 3: Cross multiply
356,006.22x = 491,288.75 × 194,862.09 - Step 4: Simplify right side
356,006.22x = 95,733,551,644.18 - Step 5: Solve for x
x = 95,733,551,644.18/356,006.22 - Step 6: Final answer
x = 268,909.77
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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.