Finding the Fourth Proportional to 113,276.36, 169,808.40 and 38,344.08
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Solution
The fourth proportional to 113,276.36, 169,808.40 and 38,344.08 is: 57,480.19
Step by Step Solution
- Step 1: Write the proportion equation
113,276.36 : 169,808.40 = 38,344.08 : x - Step 2: Convert to fraction form
113,276.36/169,808.40 = 38,344.08/x - Step 3: Cross multiply
113,276.36x = 169,808.40 × 38,344.08 - Step 4: Simplify right side
113,276.36x = 6,511,146,874.27 - Step 5: Solve for x
x = 6,511,146,874.27/113,276.36 - Step 6: Final answer
x = 57,480.19
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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.