Finding the Fourth Proportional to 163,272.06, 225,298.14 and 91,659.96
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Solution
The fourth proportional to 163,272.06, 225,298.14 and 91,659.96 is: 126,481.03
Step by Step Solution
- Step 1: Write the proportion equation
163,272.06 : 225,298.14 = 91,659.96 : x - Step 2: Convert to fraction form
163,272.06/225,298.14 = 91,659.96/x - Step 3: Cross multiply
163,272.06x = 225,298.14 × 91,659.96 - Step 4: Simplify right side
163,272.06x = 20,650,818,500.47 - Step 5: Solve for x
x = 20,650,818,500.47/163,272.06 - Step 6: Final answer
x = 126,481.03
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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.