Finding the Fourth Proportional to 332,621.17, 498,924.68 and 107,981.28
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Solution
The fourth proportional to 332,621.17, 498,924.68 and 107,981.28 is: 161,969.62
Step by Step Solution
- Step 1: Write the proportion equation
332,621.17 : 498,924.68 = 107,981.28 : x - Step 2: Convert to fraction form
332,621.17/498,924.68 = 107,981.28/x - Step 3: Cross multiply
332,621.17x = 498,924.68 × 107,981.28 - Step 4: Simplify right side
332,621.17x = 53,874,525,569.99 - Step 5: Solve for x
x = 53,874,525,569.99/332,621.17 - Step 6: Final answer
x = 161,969.62
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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.