Finding the Fourth Proportional to 288,125.28, 397,602.45 and 159,060.99
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Solution
The fourth proportional to 288,125.28, 397,602.45 and 159,060.99 is: 219,498.40
Step by Step Solution
- Step 1: Write the proportion equation
288,125.28 : 397,602.45 = 159,060.99 : x - Step 2: Convert to fraction form
288,125.28/397,602.45 = 159,060.99/x - Step 3: Cross multiply
288,125.28x = 397,602.45 × 159,060.99 - Step 4: Simplify right side
288,125.28x = 63,243,039,323.43 - Step 5: Solve for x
x = 63,243,039,323.43/288,125.28 - Step 6: Final answer
x = 219,498.40
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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.