Finding the Fourth Proportional to 115,348.95, 172,904.68 and 44,252.65
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Solution
The fourth proportional to 115,348.95, 172,904.68 and 44,252.65 is: 66,333.42
Step by Step Solution
- Step 1: Write the proportion equation
115,348.95 : 172,904.68 = 44,252.65 : x - Step 2: Convert to fraction form
115,348.95/172,904.68 = 44,252.65/x - Step 3: Cross multiply
115,348.95x = 172,904.68 × 44,252.65 - Step 4: Simplify right side
115,348.95x = 7,651,490,796.22 - Step 5: Solve for x
x = 7,651,490,796.22/115,348.95 - Step 6: Final answer
x = 66,333.42
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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.