Finding the Fourth Proportional to 536,112.78, 739,894.68 and 306,691.22
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Solution
The fourth proportional to 536,112.78, 739,894.68 and 306,691.22 is: 423,267.65
Step by Step Solution
- Step 1: Write the proportion equation
536,112.78 : 739,894.68 = 306,691.22 : x - Step 2: Convert to fraction form
536,112.78/739,894.68 = 306,691.22/x - Step 3: Cross multiply
536,112.78x = 739,894.68 × 306,691.22 - Step 4: Simplify right side
536,112.78x = 226,919,198,381.24 - Step 5: Solve for x
x = 226,919,198,381.24/536,112.78 - Step 6: Final answer
x = 423,267.65
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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.