Finding the Fourth Proportional to 113,455.68, 170,077.80 and 38,524.59
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Solution
The fourth proportional to 113,455.68, 170,077.80 and 38,524.59 is: 57,750.99
Step by Step Solution
- Step 1: Write the proportion equation
113,455.68 : 170,077.80 = 38,524.59 : x - Step 2: Convert to fraction form
113,455.68/170,077.80 = 38,524.59/x - Step 3: Cross multiply
113,455.68x = 170,077.80 × 38,524.59 - Step 4: Simplify right side
113,455.68x = 6,552,177,513.10 - Step 5: Solve for x
x = 6,552,177,513.10/113,455.68 - Step 6: Final answer
x = 57,750.99
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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.