Finding the Fourth Proportional to 168,489.27, 252,649.40 and 56,129.99
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Solution
The fourth proportional to 168,489.27, 252,649.40 and 56,129.99 is: 84,166.82
Step by Step Solution
- Step 1: Write the proportion equation
168,489.27 : 252,649.40 = 56,129.99 : x - Step 2: Convert to fraction form
168,489.27/252,649.40 = 56,129.99/x - Step 3: Cross multiply
168,489.27x = 252,649.40 × 56,129.99 - Step 4: Simplify right side
168,489.27x = 14,181,206,751.61 - Step 5: Solve for x
x = 14,181,206,751.61/168,489.27 - Step 6: Final answer
x = 84,166.82
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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.