Finding the Fourth Proportional to 357,813.62, 493,786.62 and 194,470.12
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Solution
The fourth proportional to 357,813.62, 493,786.62 and 194,470.12 is: 268,370.84
Step by Step Solution
- Step 1: Write the proportion equation
357,813.62 : 493,786.62 = 194,470.12 : x - Step 2: Convert to fraction form
357,813.62/493,786.62 = 194,470.12/x - Step 3: Cross multiply
357,813.62x = 493,786.62 × 194,470.12 - Step 4: Simplify right side
357,813.62x = 96,026,743,245.79 - Step 5: Solve for x
x = 96,026,743,245.79/357,813.62 - Step 6: Final answer
x = 268,370.84
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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.