Finding the Fourth Proportional to 206,746.23, 285,099.80 and 194,691.63
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Solution
The fourth proportional to 206,746.23, 285,099.80 and 194,691.63 is: 268,476.69
Step by Step Solution
- Step 1: Write the proportion equation
206,746.23 : 285,099.80 = 194,691.63 : x - Step 2: Convert to fraction form
206,746.23/285,099.80 = 194,691.63/x - Step 3: Cross multiply
206,746.23x = 285,099.80 × 194,691.63 - Step 4: Simplify right side
206,746.23x = 55,506,543,801.22 - Step 5: Solve for x
x = 55,506,543,801.22/206,746.23 - Step 6: Final answer
x = 268,476.69
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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.