Finding the Fourth Proportional to 288,306.12, 397,604.34 and 180,887.88
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Solution
The fourth proportional to 288,306.12, 397,604.34 and 180,887.88 is: 249,463.33
Step by Step Solution
- Step 1: Write the proportion equation
288,306.12 : 397,604.34 = 180,887.88 : x - Step 2: Convert to fraction form
288,306.12/397,604.34 = 180,887.88/x - Step 3: Cross multiply
288,306.12x = 397,604.34 × 180,887.88 - Step 4: Simplify right side
288,306.12x = 71,921,806,141.40 - Step 5: Solve for x
x = 71,921,806,141.40/288,306.12 - Step 6: Final answer
x = 249,463.33
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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.