Finding the Fourth Proportional to 361,598.40, 499,003.02 and 198,252.99
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Solution
The fourth proportional to 361,598.40, 499,003.02 and 198,252.99 is: 273,587.61
Step by Step Solution
- Step 1: Write the proportion equation
361,598.40 : 499,003.02 = 198,252.99 : x - Step 2: Convert to fraction form
361,598.40/499,003.02 = 198,252.99/x - Step 3: Cross multiply
361,598.40x = 499,003.02 × 198,252.99 - Step 4: Simplify right side
361,598.40x = 98,928,840,734.03 - Step 5: Solve for x
x = 98,928,840,734.03/361,598.40 - Step 6: Final answer
x = 273,587.61
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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.