Finding the Fourth Proportional to 319,276.13, 440,620.92 and 176,035.96
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Solution
The fourth proportional to 319,276.13, 440,620.92 and 176,035.96 is: 242,940.57
Step by Step Solution
- Step 1: Write the proportion equation
319,276.13 : 440,620.92 = 176,035.96 : x - Step 2: Convert to fraction form
319,276.13/440,620.92 = 176,035.96/x - Step 3: Cross multiply
319,276.13x = 440,620.92 × 176,035.96 - Step 4: Simplify right side
319,276.13x = 77,565,123,565.00 - Step 5: Solve for x
x = 77,565,123,565.00/319,276.13 - Step 6: Final answer
x = 242,940.57
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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.