Finding the Fourth Proportional to 75,263.40, 112,893.84 and 18,337.50
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Solution
The fourth proportional to 75,263.40, 112,893.84 and 18,337.50 is: 27,505.94
Step by Step Solution
- Step 1: Write the proportion equation
75,263.40 : 112,893.84 = 18,337.50 : x - Step 2: Convert to fraction form
75,263.40/112,893.84 = 18,337.50/x - Step 3: Cross multiply
75,263.40x = 112,893.84 × 18,337.50 - Step 4: Simplify right side
75,263.40x = 2,070,190,791 - Step 5: Solve for x
x = 2,070,190,791/75,263.40 - Step 6: Final answer
x = 27,505.94
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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.