Finding the Fourth Proportional to 207,041.84, 285,728.01 and 126,456.32
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Solution
The fourth proportional to 207,041.84, 285,728.01 and 126,456.32 is: 174,515.99
Step by Step Solution
- Step 1: Write the proportion equation
207,041.84 : 285,728.01 = 126,456.32 : x - Step 2: Convert to fraction form
207,041.84/285,728.01 = 126,456.32/x - Step 3: Cross multiply
207,041.84x = 285,728.01 × 126,456.32 - Step 4: Simplify right side
207,041.84x = 36,132,112,665.52 - Step 5: Solve for x
x = 36,132,112,665.52/207,041.84 - Step 6: Final answer
x = 174,515.99
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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.