Finding the Fourth Proportional to 319,476.34, 440,882.15 and 176,233.31
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Solution
The fourth proportional to 319,476.34, 440,882.15 and 176,233.31 is: 243,204.62
Step by Step Solution
- Step 1: Write the proportion equation
319,476.34 : 440,882.15 = 176,233.31 : x - Step 2: Convert to fraction form
319,476.34/440,882.15 = 176,233.31/x - Step 3: Cross multiply
319,476.34x = 440,882.15 × 176,233.31 - Step 4: Simplify right side
319,476.34x = 77,698,120,614.42 - Step 5: Solve for x
x = 77,698,120,614.42/319,476.34 - Step 6: Final answer
x = 243,204.62
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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.