Finding the Fourth Proportional to 319,908.38, 479,966.21 and 95,270.68
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Solution
The fourth proportional to 319,908.38, 479,966.21 and 95,270.68 is: 142,936.88
Step by Step Solution
- Step 1: Write the proportion equation
319,908.38 : 479,966.21 = 95,270.68 : x - Step 2: Convert to fraction form
319,908.38/479,966.21 = 95,270.68/x - Step 3: Cross multiply
319,908.38x = 479,966.21 × 95,270.68 - Step 4: Simplify right side
319,908.38x = 45,726,707,203.72 - Step 5: Solve for x
x = 45,726,707,203.72/319,908.38 - Step 6: Final answer
x = 142,936.88
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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.