Finding the Fourth Proportional to 288,125.21, 397,602.36 and 159,060.92
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Solution
The fourth proportional to 288,125.21, 397,602.36 and 159,060.92 is: 219,498.30
Step by Step Solution
- Step 1: Write the proportion equation
288,125.21 : 397,602.36 = 159,060.92 : x - Step 2: Convert to fraction form
288,125.21/397,602.36 = 159,060.92/x - Step 3: Cross multiply
288,125.21x = 397,602.36 × 159,060.92 - Step 4: Simplify right side
288,125.21x = 63,242,995,187.76 - Step 5: Solve for x
x = 63,242,995,187.76/288,125.21 - Step 6: Final answer
x = 219,498.30
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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.