Finding the Fourth Proportional to 319,101.68, 440,351.66 and 175,861.68
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Solution
The fourth proportional to 319,101.68, 440,351.66 and 175,861.68 is: 242,684.35
Step by Step Solution
- Step 1: Write the proportion equation
319,101.68 : 440,351.66 = 175,861.68 : x - Step 2: Convert to fraction form
319,101.68/440,351.66 = 175,861.68/x - Step 3: Cross multiply
319,101.68x = 440,351.66 × 175,861.68 - Step 4: Simplify right side
319,101.68x = 77,440,982,718.39 - Step 5: Solve for x
x = 77,440,982,718.39/319,101.68 - Step 6: Final answer
x = 242,684.35
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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.