Finding the Fourth Proportional to 306,106.18, 459,243.12 and 92,880.97
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Solution
The fourth proportional to 306,106.18, 459,243.12 and 92,880.97 is: 139,346.90
Step by Step Solution
- Step 1: Write the proportion equation
306,106.18 : 459,243.12 = 92,880.97 : x - Step 2: Convert to fraction form
306,106.18/459,243.12 = 92,880.97/x - Step 3: Cross multiply
306,106.18x = 459,243.12 × 92,880.97 - Step 4: Simplify right side
306,106.18x = 42,654,946,451.43 - Step 5: Solve for x
x = 42,654,946,451.43/306,106.18 - Step 6: Final answer
x = 139,346.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.