Finding the Fourth Proportional to 316,299.97, 474,474.26 and 91,663.48
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Solution
The fourth proportional to 316,299.97, 474,474.26 and 91,663.48 is: 137,502.26
Step by Step Solution
- Step 1: Write the proportion equation
316,299.97 : 474,474.26 = 91,663.48 : x - Step 2: Convert to fraction form
316,299.97/474,474.26 = 91,663.48/x - Step 3: Cross multiply
316,299.97x = 474,474.26 × 91,663.48 - Step 4: Simplify right side
316,299.97x = 43,491,961,842.02 - Step 5: Solve for x
x = 43,491,961,842.02/316,299.97 - Step 6: Final answer
x = 137,502.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.