Finding the Fourth Proportional to 115,519.24, 173,285.04 and 36,639.76
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Solution
The fourth proportional to 115,519.24, 173,285.04 and 36,639.76 is: 54,961.60
Step by Step Solution
- Step 1: Write the proportion equation
115,519.24 : 173,285.04 = 36,639.76 : x - Step 2: Convert to fraction form
115,519.24/173,285.04 = 36,639.76/x - Step 3: Cross multiply
115,519.24x = 173,285.04 × 36,639.76 - Step 4: Simplify right side
115,519.24x = 6,349,122,277.19 - Step 5: Solve for x
x = 6,349,122,277.19/115,519.24 - Step 6: Final answer
x = 54,961.60
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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.