Finding the Fourth Proportional to 248,781.58, 343,318.67 and 141,351.75
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Solution
The fourth proportional to 248,781.58, 343,318.67 and 141,351.75 is: 195,065.47
Step by Step Solution
- Step 1: Write the proportion equation
248,781.58 : 343,318.67 = 141,351.75 : x - Step 2: Convert to fraction form
248,781.58/343,318.67 = 141,351.75/x - Step 3: Cross multiply
248,781.58x = 343,318.67 × 141,351.75 - Step 4: Simplify right side
248,781.58x = 48,528,694,812.17 - Step 5: Solve for x
x = 48,528,694,812.17/248,781.58 - Step 6: Final answer
x = 195,065.47
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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.