Finding the Fourth Proportional to 287,924.26, 397,332.84 and 158,863.92
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Solution
The fourth proportional to 287,924.26, 397,332.84 and 158,863.92 is: 219,230.75
Step by Step Solution
- Step 1: Write the proportion equation
287,924.26 : 397,332.84 = 158,863.92 : x - Step 2: Convert to fraction form
287,924.26/397,332.84 = 158,863.92/x - Step 3: Cross multiply
287,924.26x = 397,332.84 × 158,863.92 - Step 4: Simplify right side
287,924.26x = 63,121,852,507.13 - Step 5: Solve for x
x = 63,121,852,507.13/287,924.26 - Step 6: Final answer
x = 219,230.75
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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.