Finding the Fourth Proportional to 177,847.02, 245,436.75 and 102,419.82
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Solution
The fourth proportional to 177,847.02, 245,436.75 and 102,419.82 is: 141,343.88
Step by Step Solution
- Step 1: Write the proportion equation
177,847.02 : 245,436.75 = 102,419.82 : x - Step 2: Convert to fraction form
177,847.02/245,436.75 = 102,419.82/x - Step 3: Cross multiply
177,847.02x = 245,436.75 × 102,419.82 - Step 4: Simplify right side
177,847.02x = 25,137,587,756.39 - Step 5: Solve for x
x = 25,137,587,756.39/177,847.02 - Step 6: Final answer
x = 141,343.88
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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.