Finding the Fourth Proportional to 177,839.68, 245,409.64 and 97,251.56
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Solution
The fourth proportional to 177,839.68, 245,409.64 and 97,251.56 is: 134,202.17
Step by Step Solution
- Step 1: Write the proportion equation
177,839.68 : 245,409.64 = 97,251.56 : x - Step 2: Convert to fraction form
177,839.68/245,409.64 = 97,251.56/x - Step 3: Cross multiply
177,839.68x = 245,409.64 × 97,251.56 - Step 4: Simplify right side
177,839.68x = 23,866,470,329.04 - Step 5: Solve for x
x = 23,866,470,329.04/177,839.68 - Step 6: Final answer
x = 134,202.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.