Finding the Fourth Proportional to 168,239.87, 252,407.48 and 68,471.66
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Solution
The fourth proportional to 168,239.87, 252,407.48 and 68,471.66 is: 102,726.89
Step by Step Solution
- Step 1: Write the proportion equation
168,239.87 : 252,407.48 = 68,471.66 : x - Step 2: Convert to fraction form
168,239.87/252,407.48 = 68,471.66/x - Step 3: Cross multiply
168,239.87x = 252,407.48 × 68,471.66 - Step 4: Simplify right side
168,239.87x = 17,282,759,152.02 - Step 5: Solve for x
x = 17,282,759,152.02/168,239.87 - Step 6: Final answer
x = 102,726.89
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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.