Finding the Fourth Proportional to 284,098.44, 392,122.95 and 163,309.80
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Solution
The fourth proportional to 284,098.44, 392,122.95 and 163,309.80 is: 225,406.10
Step by Step Solution
- Step 1: Write the proportion equation
284,098.44 : 392,122.95 = 163,309.80 : x - Step 2: Convert to fraction form
284,098.44/392,122.95 = 163,309.80/x - Step 3: Cross multiply
284,098.44x = 392,122.95 × 163,309.80 - Step 4: Simplify right side
284,098.44x = 64,037,520,539.91 - Step 5: Solve for x
x = 64,037,520,539.91/284,098.44 - Step 6: Final answer
x = 225,406.10
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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.