Finding the Fourth Proportional to 288,108.79, 397,579.71 and 159,044.49
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Solution
The fourth proportional to 288,108.79, 397,579.71 and 159,044.49 is: 219,475.65
Step by Step Solution
- Step 1: Write the proportion equation
288,108.79 : 397,579.71 = 159,044.49 : x - Step 2: Convert to fraction form
288,108.79/397,579.71 = 159,044.49/x - Step 3: Cross multiply
288,108.79x = 397,579.71 × 159,044.49 - Step 4: Simplify right side
288,108.79x = 63,232,862,211.30 - Step 5: Solve for x
x = 63,232,862,211.30/288,108.79 - Step 6: Final answer
x = 219,475.65
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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.