Finding the Fourth Proportional to 357,979.43, 494,013.44 and 196,844.92
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Solution
The fourth proportional to 357,979.43, 494,013.44 and 196,844.92 is: 271,646.99
Step by Step Solution
- Step 1: Write the proportion equation
357,979.43 : 494,013.44 = 196,844.92 : x - Step 2: Convert to fraction form
357,979.43/494,013.44 = 196,844.92/x - Step 3: Cross multiply
357,979.43x = 494,013.44 × 196,844.92 - Step 4: Simplify right side
357,979.43x = 97,244,035,332.80 - Step 5: Solve for x
x = 97,244,035,332.80/357,979.43 - Step 6: Final answer
x = 271,646.99
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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.