Finding the Fourth Proportional to 407,716.36, 611,581.02 and 155,000.68
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Solution
The fourth proportional to 407,716.36, 611,581.02 and 155,000.68 is: 232,503.48
Step by Step Solution
- Step 1: Write the proportion equation
407,716.36 : 611,581.02 = 155,000.68 : x - Step 2: Convert to fraction form
407,716.36/611,581.02 = 155,000.68/x - Step 3: Cross multiply
407,716.36x = 611,581.02 × 155,000.68 - Step 4: Simplify right side
407,716.36x = 94,795,473,975.09 - Step 5: Solve for x
x = 94,795,473,975.09/407,716.36 - Step 6: Final answer
x = 232,503.48
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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.