Finding the Fourth Proportional to 356,283.68, 491,679.42 and 203,318.82
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Solution
The fourth proportional to 356,283.68, 491,679.42 and 203,318.82 is: 280,584.51
Step by Step Solution
- Step 1: Write the proportion equation
356,283.68 : 491,679.42 = 203,318.82 : x - Step 2: Convert to fraction form
356,283.68/491,679.42 = 203,318.82/x - Step 3: Cross multiply
356,283.68x = 491,679.42 × 203,318.82 - Step 4: Simplify right side
356,283.68x = 99,967,679,492.68 - Step 5: Solve for x
x = 99,967,679,492.68/356,283.68 - Step 6: Final answer
x = 280,584.51
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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.