Finding the Fourth Proportional to 359,767.20, 496,465.74 and 198,618.84
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Solution
The fourth proportional to 359,767.20, 496,465.74 and 198,618.84 is: 274,086.82
Step by Step Solution
- Step 1: Write the proportion equation
359,767.20 : 496,465.74 = 198,618.84 : x - Step 2: Convert to fraction form
359,767.20/496,465.74 = 198,618.84/x - Step 3: Cross multiply
359,767.20x = 496,465.74 × 198,618.84 - Step 4: Simplify right side
359,767.20x = 98,607,449,378.54 - Step 5: Solve for x
x = 98,607,449,378.54/359,767.20 - Step 6: Final answer
x = 274,086.82
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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.