Finding the Fourth Proportional to 284,098.68, 392,078.34 and 163,282.14
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Solution
The fourth proportional to 284,098.68, 392,078.34 and 163,282.14 is: 225,342.09
Step by Step Solution
- Step 1: Write the proportion equation
284,098.68 : 392,078.34 = 163,282.14 : x - Step 2: Convert to fraction form
284,098.68/392,078.34 = 163,282.14/x - Step 3: Cross multiply
284,098.68x = 392,078.34 × 163,282.14 - Step 4: Simplify right side
284,098.68x = 64,019,390,402.85 - Step 5: Solve for x
x = 64,019,390,402.85/284,098.68 - Step 6: Final answer
x = 225,342.09
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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.