Finding the Fourth Proportional to 173,319.36, 239,283.84 and 109,711.68
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Solution
The fourth proportional to 173,319.36, 239,283.84 and 109,711.68 is: 151,467.40
Step by Step Solution
- Step 1: Write the proportion equation
173,319.36 : 239,283.84 = 109,711.68 : x - Step 2: Convert to fraction form
173,319.36/239,283.84 = 109,711.68/x - Step 3: Cross multiply
173,319.36x = 239,283.84 × 109,711.68 - Step 4: Simplify right side
173,319.36x = 26,252,232,083.25 - Step 5: Solve for x
x = 26,252,232,083.25/173,319.36 - Step 6: Final answer
x = 151,467.40
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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.