Finding the Fourth Proportional to 173,388.25, 239,275.92 and 97,936.75
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Solution
The fourth proportional to 173,388.25, 239,275.92 and 97,936.75 is: 135,152.79
Step by Step Solution
- Step 1: Write the proportion equation
173,388.25 : 239,275.92 = 97,936.75 : x - Step 2: Convert to fraction form
173,388.25/239,275.92 = 97,936.75/x - Step 3: Cross multiply
173,388.25x = 239,275.92 × 97,936.75 - Step 4: Simplify right side
173,388.25x = 23,433,905,958.06 - Step 5: Solve for x
x = 23,433,905,958.06/173,388.25 - Step 6: Final answer
x = 135,152.79
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1.5x scale
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.