Finding the Fourth Proportional to 407,549.05, 611,126.94 and 170,828.17
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Solution
The fourth proportional to 407,549.05, 611,126.94 and 170,828.17 is: 256,159.83
Step by Step Solution
- Step 1: Write the proportion equation
407,549.05 : 611,126.94 = 170,828.17 : x - Step 2: Convert to fraction form
407,549.05/611,126.94 = 170,828.17/x - Step 3: Cross multiply
407,549.05x = 611,126.94 × 170,828.17 - Step 4: Simplify right side
407,549.05x = 104,397,696,797.90 - Step 5: Solve for x
x = 104,397,696,797.90/407,549.05 - Step 6: Final answer
x = 256,159.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.