Finding the Fourth Proportional to 173,661.25, 239,638.26 and 97,176.40
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Solution
The fourth proportional to 173,661.25, 239,638.26 and 97,176.40 is: 134,095.45
Step by Step Solution
- Step 1: Write the proportion equation
173,661.25 : 239,638.26 = 97,176.40 : x - Step 2: Convert to fraction form
173,661.25/239,638.26 = 97,176.40/x - Step 3: Cross multiply
173,661.25x = 239,638.26 × 97,176.40 - Step 4: Simplify right side
173,661.25x = 23,287,183,409.06 - Step 5: Solve for x
x = 23,287,183,409.06/173,661.25 - Step 6: Final answer
x = 134,095.45
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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.