Finding the Fourth Proportional to 217,035.21, 299,691.18 and 163,226.52
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Solution
The fourth proportional to 217,035.21, 299,691.18 and 163,226.52 is: 225,389.92
Step by Step Solution
- Step 1: Write the proportion equation
217,035.21 : 299,691.18 = 163,226.52 : x - Step 2: Convert to fraction form
217,035.21/299,691.18 = 163,226.52/x - Step 3: Cross multiply
217,035.21x = 299,691.18 × 163,226.52 - Step 4: Simplify right side
217,035.21x = 48,917,548,386.09 - Step 5: Solve for x
x = 48,917,548,386.09/217,035.21 - Step 6: Final answer
x = 225,389.92
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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.