Finding the Fourth Proportional to 284,813.42, 393,213.06 and 177,528.76
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Solution
The fourth proportional to 284,813.42, 393,213.06 and 177,528.76 is: 245,095.99
Step by Step Solution
- Step 1: Write the proportion equation
284,813.42 : 393,213.06 = 177,528.76 : x - Step 2: Convert to fraction form
284,813.42/393,213.06 = 177,528.76/x - Step 3: Cross multiply
284,813.42x = 393,213.06 × 177,528.76 - Step 4: Simplify right side
284,813.42x = 69,806,626,957.61 - Step 5: Solve for x
x = 69,806,626,957.61/284,813.42 - Step 6: Final answer
x = 245,095.99
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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.