Finding the Fourth Proportional to 252,721.79, 348,471.74 and 206,637.65
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Solution
The fourth proportional to 252,721.79, 348,471.74 and 206,637.65 is: 284,927.48
Step by Step Solution
- Step 1: Write the proportion equation
252,721.79 : 348,471.74 = 206,637.65 : x - Step 2: Convert to fraction form
252,721.79/348,471.74 = 206,637.65/x - Step 3: Cross multiply
252,721.79x = 348,471.74 × 206,637.65 - Step 4: Simplify right side
252,721.79x = 72,007,380,219.25 - Step 5: Solve for x
x = 72,007,380,219.25/252,721.79 - Step 6: Final answer
x = 284,927.48
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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.