Finding the Fourth Proportional to 319,609.70, 441,062.68 and 176,373.88
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Solution
The fourth proportional to 319,609.70, 441,062.68 and 176,373.88 is: 243,396.67
Step by Step Solution
- Step 1: Write the proportion equation
319,609.70 : 441,062.68 = 176,373.88 : x - Step 2: Convert to fraction form
319,609.70/441,062.68 = 176,373.88/x - Step 3: Cross multiply
319,609.70x = 441,062.68 × 176,373.88 - Step 4: Simplify right side
319,609.70x = 77,791,936,194.80 - Step 5: Solve for x
x = 77,791,936,194.80/319,609.70 - Step 6: Final answer
x = 243,396.67
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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.