Finding the Fourth Proportional to 272,956.17, 408,935.50 and 197,890.23
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Solution
The fourth proportional to 272,956.17, 408,935.50 and 197,890.23 is: 296,473.75
Step by Step Solution
- Step 1: Write the proportion equation
272,956.17 : 408,935.50 = 197,890.23 : x - Step 2: Convert to fraction form
272,956.17/408,935.50 = 197,890.23/x - Step 3: Cross multiply
272,956.17x = 408,935.50 × 197,890.23 - Step 4: Simplify right side
272,956.17x = 80,924,339,655.44 - Step 5: Solve for x
x = 80,924,339,655.44/272,956.17 - Step 6: Final answer
x = 296,473.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.