Finding the Fourth Proportional to 168,918.12, 253,336.86 and 50,557.68
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Solution
The fourth proportional to 168,918.12, 253,336.86 and 50,557.68 is: 75,824.45
Step by Step Solution
- Step 1: Write the proportion equation
168,918.12 : 253,336.86 = 50,557.68 : x - Step 2: Convert to fraction form
168,918.12/253,336.86 = 50,557.68/x - Step 3: Cross multiply
168,918.12x = 253,336.86 × 50,557.68 - Step 4: Simplify right side
168,918.12x = 12,808,123,900.08 - Step 5: Solve for x
x = 12,808,123,900.08/168,918.12 - Step 6: Final answer
x = 75,824.45
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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.