Finding the Fourth Proportional to 261,864.24, 392,516.74 and 149,302.05
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Solution
The fourth proportional to 261,864.24, 392,516.74 and 149,302.05 is: 223,793.65
Step by Step Solution
- Step 1: Write the proportion equation
261,864.24 : 392,516.74 = 149,302.05 : x - Step 2: Convert to fraction form
261,864.24/392,516.74 = 149,302.05/x - Step 3: Cross multiply
261,864.24x = 392,516.74 × 149,302.05 - Step 4: Simplify right side
261,864.24x = 58,603,553,941.32 - Step 5: Solve for x
x = 58,603,553,941.32/261,864.24 - Step 6: Final answer
x = 223,793.65
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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.