Finding the Fourth Proportional to 357,047.66, 492,725.70 and 204,089.15
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Solution
The fourth proportional to 357,047.66, 492,725.70 and 204,089.15 is: 281,642.99
Step by Step Solution
- Step 1: Write the proportion equation
357,047.66 : 492,725.70 = 204,089.15 : x - Step 2: Convert to fraction form
357,047.66/492,725.70 = 204,089.15/x - Step 3: Cross multiply
357,047.66x = 492,725.70 × 204,089.15 - Step 4: Simplify right side
357,047.66x = 100,559,970,527.97 - Step 5: Solve for x
x = 100,559,970,527.97/357,047.66 - Step 6: Final answer
x = 281,642.99
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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.