Finding the Fourth Proportional to 186,213.99, 279,459.56 and 91,495.02
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Solution
The fourth proportional to 186,213.99, 279,459.56 and 91,495.02 is: 137,310.62
Step by Step Solution
- Step 1: Write the proportion equation
186,213.99 : 279,459.56 = 91,495.02 : x - Step 2: Convert to fraction form
186,213.99/279,459.56 = 91,495.02/x - Step 3: Cross multiply
186,213.99x = 279,459.56 × 91,495.02 - Step 4: Simplify right side
186,213.99x = 25,569,158,031.39 - Step 5: Solve for x
x = 25,569,158,031.39/186,213.99 - Step 6: Final answer
x = 137,310.62
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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.