Finding the Fourth Proportional to 284,711.84, 392,883.64 and 163,833.63
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Solution
The fourth proportional to 284,711.84, 392,883.64 and 163,833.63 is: 226,079.65
Step by Step Solution
- Step 1: Write the proportion equation
284,711.84 : 392,883.64 = 163,833.63 : x - Step 2: Convert to fraction form
284,711.84/392,883.64 = 163,833.63/x - Step 3: Cross multiply
284,711.84x = 392,883.64 × 163,833.63 - Step 4: Simplify right side
284,711.84x = 64,367,552,908.81 - Step 5: Solve for x
x = 64,367,552,908.81/284,711.84 - Step 6: Final answer
x = 226,079.65
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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.