Finding the Fourth Proportional to 173,228.75, 239,055.69 and 97,782.11
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Solution
The fourth proportional to 173,228.75, 239,055.69 and 97,782.11 is: 134,939.32
Step by Step Solution
- Step 1: Write the proportion equation
173,228.75 : 239,055.69 = 97,782.11 : x - Step 2: Convert to fraction form
173,228.75/239,055.69 = 97,782.11/x - Step 3: Cross multiply
173,228.75x = 239,055.69 × 97,782.11 - Step 4: Simplify right side
173,228.75x = 23,375,369,775.71 - Step 5: Solve for x
x = 23,375,369,775.71/173,228.75 - Step 6: Final answer
x = 134,939.32
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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.