Finding the Fourth Proportional to 319,235.64, 440,548.17 and 176,000.79
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Solution
The fourth proportional to 319,235.64, 440,548.17 and 176,000.79 is: 242,882.74
Step by Step Solution
- Step 1: Write the proportion equation
319,235.64 : 440,548.17 = 176,000.79 : x - Step 2: Convert to fraction form
319,235.64/440,548.17 = 176,000.79/x - Step 3: Cross multiply
319,235.64x = 440,548.17 × 176,000.79 - Step 4: Simplify right side
319,235.64x = 77,536,825,953.05 - Step 5: Solve for x
x = 77,536,825,953.05/319,235.64 - Step 6: Final answer
x = 242,882.74
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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.