Finding the Fourth Proportional to 357,859.62, 493,852.41 and 196,721.46
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Solution
The fourth proportional to 357,859.62, 493,852.41 and 196,721.46 is: 271,478.99
Step by Step Solution
- Step 1: Write the proportion equation
357,859.62 : 493,852.41 = 196,721.46 : x - Step 2: Convert to fraction form
357,859.62/493,852.41 = 196,721.46/x - Step 3: Cross multiply
357,859.62x = 493,852.41 × 196,721.46 - Step 4: Simplify right side
357,859.62x = 97,151,367,119.72 - Step 5: Solve for x
x = 97,151,367,119.72/357,859.62 - Step 6: Final answer
x = 271,478.99
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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.