Finding the Fourth Proportional to 284,095.68, 392,074.20 and 163,279.14
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Solution
The fourth proportional to 284,095.68, 392,074.20 and 163,279.14 is: 225,337.95
Step by Step Solution
- Step 1: Write the proportion equation
284,095.68 : 392,074.20 = 163,279.14 : x - Step 2: Convert to fraction form
284,095.68/392,074.20 = 163,279.14/x - Step 3: Cross multiply
284,095.68x = 392,074.20 × 163,279.14 - Step 4: Simplify right side
284,095.68x = 64,017,538,192.19 - Step 5: Solve for x
x = 64,017,538,192.19/284,095.68 - Step 6: Final answer
x = 225,337.95
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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.