Finding the Fourth Proportional to 386,124.19, 532,260.71 and 271,080.09
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Solution
The fourth proportional to 386,124.19, 532,260.71 and 271,080.09 is: 373,675.84
Step by Step Solution
- Step 1: Write the proportion equation
386,124.19 : 532,260.71 = 271,080.09 : x - Step 2: Convert to fraction form
386,124.19/532,260.71 = 271,080.09/x - Step 3: Cross multiply
386,124.19x = 532,260.71 × 271,080.09 - Step 4: Simplify right side
386,124.19x = 144,285,281,170.26 - Step 5: Solve for x
x = 144,285,281,170.26/386,124.19 - Step 6: Final answer
x = 373,675.84
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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.