Finding the Fourth Proportional to 225,041.44, 310,635.39 and 129,586.18
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Solution
The fourth proportional to 225,041.44, 310,635.39 and 129,586.18 is: 178,873.96
Step by Step Solution
- Step 1: Write the proportion equation
225,041.44 : 310,635.39 = 129,586.18 : x - Step 2: Convert to fraction form
225,041.44/310,635.39 = 129,586.18/x - Step 3: Cross multiply
225,041.44x = 310,635.39 × 129,586.18 - Step 4: Simplify right side
225,041.44x = 40,254,053,562.91 - Step 5: Solve for x
x = 40,254,053,562.91/225,041.44 - Step 6: Final answer
x = 178,873.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.