Finding the Fourth Proportional to 394,706.70, 591,574.05 and 268,346.70
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Solution
The fourth proportional to 394,706.70, 591,574.05 and 268,346.70 is: 402,189.64
Step by Step Solution
- Step 1: Write the proportion equation
394,706.70 : 591,574.05 = 268,346.70 : x - Step 2: Convert to fraction form
394,706.70/591,574.05 = 268,346.70/x - Step 3: Cross multiply
394,706.70x = 591,574.05 × 268,346.70 - Step 4: Simplify right side
394,706.70x = 158,746,944,123.14 - Step 5: Solve for x
x = 158,746,944,123.14/394,706.70 - Step 6: Final answer
x = 402,189.64
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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.