Finding the Fourth Proportional to 117,597.22, 176,417.70 and 38,716.99
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Solution
The fourth proportional to 117,597.22, 176,417.70 and 38,716.99 is: 58,082.68
Step by Step Solution
- Step 1: Write the proportion equation
117,597.22 : 176,417.70 = 38,716.99 : x - Step 2: Convert to fraction form
117,597.22/176,417.70 = 38,716.99/x - Step 3: Cross multiply
117,597.22x = 176,417.70 × 38,716.99 - Step 4: Simplify right side
117,597.22x = 6,830,361,740.49 - Step 5: Solve for x
x = 6,830,361,740.49/117,597.22 - Step 6: Final answer
x = 58,082.68
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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.