Finding the Fourth Proportional to 357,117.23, 492,744.79 and 206,126.75
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Solution
The fourth proportional to 357,117.23, 492,744.79 and 206,126.75 is: 284,410.48
Step by Step Solution
- Step 1: Write the proportion equation
357,117.23 : 492,744.79 = 206,126.75 : x - Step 2: Convert to fraction form
357,117.23/492,744.79 = 206,126.75/x - Step 3: Cross multiply
357,117.23x = 492,744.79 × 206,126.75 - Step 4: Simplify right side
357,117.23x = 101,567,882,142.13 - Step 5: Solve for x
x = 101,567,882,142.13/357,117.23 - Step 6: Final answer
x = 284,410.48
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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.