Finding the Fourth Proportional to 356,129.98, 491,440.70 and 194,954.18
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Solution
The fourth proportional to 356,129.98, 491,440.70 and 194,954.18 is: 269,026.55
Step by Step Solution
- Step 1: Write the proportion equation
356,129.98 : 491,440.70 = 194,954.18 : x - Step 2: Convert to fraction form
356,129.98/491,440.70 = 194,954.18/x - Step 3: Cross multiply
356,129.98x = 491,440.70 × 194,954.18 - Step 4: Simplify right side
356,129.98x = 95,808,418,687.13 - Step 5: Solve for x
x = 95,808,418,687.13/356,129.98 - Step 6: Final answer
x = 269,026.55
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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.