Finding the Fourth Proportional to 115,841.12, 173,775.36 and 36,927.68
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Solution
The fourth proportional to 115,841.12, 173,775.36 and 36,927.68 is: 55,395.88
Step by Step Solution
- Step 1: Write the proportion equation
115,841.12 : 173,775.36 = 36,927.68 : x - Step 2: Convert to fraction form
115,841.12/173,775.36 = 36,927.68/x - Step 3: Cross multiply
115,841.12x = 173,775.36 × 36,927.68 - Step 4: Simplify right side
115,841.12x = 6,417,120,885.96 - Step 5: Solve for x
x = 6,417,120,885.96/115,841.12 - Step 6: Final answer
x = 55,395.88
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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.