Finding the Fourth Proportional to 319,247.46, 440,553.15 and 176,004.99
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Solution
The fourth proportional to 319,247.46, 440,553.15 and 176,004.99 is: 242,882.29
Step by Step Solution
- Step 1: Write the proportion equation
319,247.46 : 440,553.15 = 176,004.99 : x - Step 2: Convert to fraction form
319,247.46/440,553.15 = 176,004.99/x - Step 3: Cross multiply
319,247.46x = 440,553.15 × 176,004.99 - Step 4: Simplify right side
319,247.46x = 77,539,552,760.22 - Step 5: Solve for x
x = 77,539,552,760.22/319,247.46 - Step 6: Final answer
x = 242,882.29
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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.