Finding the Fourth Proportional to 168,754.10, 253,167.60 and 50,437.40
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Solution
The fourth proportional to 168,754.10, 253,167.60 and 50,437.40 is: 75,666.99
Step by Step Solution
- Step 1: Write the proportion equation
168,754.10 : 253,167.60 = 50,437.40 : x - Step 2: Convert to fraction form
168,754.10/253,167.60 = 50,437.40/x - Step 3: Cross multiply
168,754.10x = 253,167.60 × 50,437.40 - Step 4: Simplify right side
168,754.10x = 12,769,115,508.24 - Step 5: Solve for x
x = 12,769,115,508.24/168,754.10 - Step 6: Final answer
x = 75,666.99
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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.