Finding the Fourth Proportional to 177,732.69, 245,271.60 and 97,161.18
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Solution
The fourth proportional to 177,732.69, 245,271.60 and 97,161.18 is: 134,082.70
Step by Step Solution
- Step 1: Write the proportion equation
177,732.69 : 245,271.60 = 97,161.18 : x - Step 2: Convert to fraction form
177,732.69/245,271.60 = 97,161.18/x - Step 3: Cross multiply
177,732.69x = 245,271.60 × 97,161.18 - Step 4: Simplify right side
177,732.69x = 23,830,878,076.49 - Step 5: Solve for x
x = 23,830,878,076.49/177,732.69 - Step 6: Final answer
x = 134,082.70
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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.