Finding the Fourth Proportional to 645,105.60, 966,871.08 and 364,042.08
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Solution
The fourth proportional to 645,105.60, 966,871.08 and 364,042.08 is: 545,618.82
Step by Step Solution
- Step 1: Write the proportion equation
645,105.60 : 966,871.08 = 364,042.08 : x - Step 2: Convert to fraction form
645,105.60/966,871.08 = 364,042.08/x - Step 3: Cross multiply
645,105.60x = 966,871.08 × 364,042.08 - Step 4: Simplify right side
645,105.60x = 351,981,759,055.05 - Step 5: Solve for x
x = 351,981,759,055.05/645,105.60 - Step 6: Final answer
x = 545,618.82
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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.