Finding the Fourth Proportional to 511,841.35, 767,874.35 and 156,882.07
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Solution
The fourth proportional to 511,841.35, 767,874.35 and 156,882.07 is: 235,357.53
Step by Step Solution
- Step 1: Write the proportion equation
511,841.35 : 767,874.35 = 156,882.07 : x - Step 2: Convert to fraction form
511,841.35/767,874.35 = 156,882.07/x - Step 3: Cross multiply
511,841.35x = 767,874.35 × 156,882.07 - Step 4: Simplify right side
511,841.35x = 120,465,716,743.49 - Step 5: Solve for x
x = 120,465,716,743.49/511,841.35 - Step 6: Final answer
x = 235,357.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.