Finding the Fourth Proportional to 192,141.20, 288,387.59 and 97,436.75
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Solution
The fourth proportional to 192,141.20, 288,387.59 and 97,436.75 is: 146,244.26
Step by Step Solution
- Step 1: Write the proportion equation
192,141.20 : 288,387.59 = 97,436.75 : x - Step 2: Convert to fraction form
192,141.20/288,387.59 = 97,436.75/x - Step 3: Cross multiply
192,141.20x = 288,387.59 × 97,436.75 - Step 4: Simplify right side
192,141.20x = 28,099,547,580.81 - Step 5: Solve for x
x = 28,099,547,580.81/192,141.20 - Step 6: Final answer
x = 146,244.26
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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.