Finding the Fourth Proportional to 172,778.62, 238,453.91 and 96,304.70
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Solution
The fourth proportional to 172,778.62, 238,453.91 and 96,304.70 is: 132,911.31
Step by Step Solution
- Step 1: Write the proportion equation
172,778.62 : 238,453.91 = 96,304.70 : x - Step 2: Convert to fraction form
172,778.62/238,453.91 = 96,304.70/x - Step 3: Cross multiply
172,778.62x = 238,453.91 × 96,304.70 - Step 4: Simplify right side
172,778.62x = 22,964,232,266.38 - Step 5: Solve for x
x = 22,964,232,266.38/172,778.62 - Step 6: Final answer
x = 132,911.31
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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.