Finding the Fourth Proportional to 177,720.26, 245,253.89 and 97,148.09
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Solution
The fourth proportional to 177,720.26, 245,253.89 and 97,148.09 is: 134,064.33
Step by Step Solution
- Step 1: Write the proportion equation
177,720.26 : 245,253.89 = 97,148.09 : x - Step 2: Convert to fraction form
177,720.26/245,253.89 = 97,148.09/x - Step 3: Cross multiply
177,720.26x = 245,253.89 × 97,148.09 - Step 4: Simplify right side
177,720.26x = 23,825,946,492.83 - Step 5: Solve for x
x = 23,825,946,492.83/177,720.26 - Step 6: Final answer
x = 134,064.33
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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.