Finding the Fourth Proportional to 288,138.24, 397,154.86 and 192,610.08
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Solution
The fourth proportional to 288,138.24, 397,154.86 and 192,610.08 is: 265,483.78
Step by Step Solution
- Step 1: Write the proportion equation
288,138.24 : 397,154.86 = 192,610.08 : x - Step 2: Convert to fraction form
288,138.24/397,154.86 = 192,610.08/x - Step 3: Cross multiply
288,138.24x = 397,154.86 × 192,610.08 - Step 4: Simplify right side
288,138.24x = 76,496,029,356.99 - Step 5: Solve for x
x = 76,496,029,356.99/288,138.24 - Step 6: Final answer
x = 265,483.78
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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.