Finding the Fourth Proportional to 407,549.80, 611,128.07 and 170,828.92
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Solution
The fourth proportional to 407,549.80, 611,128.07 and 170,828.92 is: 256,160.95
Step by Step Solution
- Step 1: Write the proportion equation
407,549.80 : 611,128.07 = 170,828.92 : x - Step 2: Convert to fraction form
407,549.80/611,128.07 = 170,828.92/x - Step 3: Cross multiply
407,549.80x = 611,128.07 × 170,828.92 - Step 4: Simplify right side
407,549.80x = 104,398,344,270.00 - Step 5: Solve for x
x = 104,398,344,270.00/407,549.80 - Step 6: Final answer
x = 256,160.95
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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.