Finding the Fourth Proportional to 479,670.73, 661,935.09 and 261,871.96
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Solution
The fourth proportional to 479,670.73, 661,935.09 and 261,871.96 is: 361,377.56
Step by Step Solution
- Step 1: Write the proportion equation
479,670.73 : 661,935.09 = 261,871.96 : x - Step 2: Convert to fraction form
479,670.73/661,935.09 = 261,871.96/x - Step 3: Cross multiply
479,670.73x = 661,935.09 × 261,871.96 - Step 4: Simplify right side
479,670.73x = 173,342,239,411.08 - Step 5: Solve for x
x = 173,342,239,411.08/479,670.73 - Step 6: Final answer
x = 361,377.56
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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.