Finding the Fourth Proportional to 163,252.80, 225,288.96 and 91,639.68
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Solution
The fourth proportional to 163,252.80, 225,288.96 and 91,639.68 is: 126,462.81
Step by Step Solution
- Step 1: Write the proportion equation
163,252.80 : 225,288.96 = 91,639.68 : x - Step 2: Convert to fraction form
163,252.80/225,288.96 = 91,639.68/x - Step 3: Cross multiply
163,252.80x = 225,288.96 × 91,639.68 - Step 4: Simplify right side
163,252.80x = 20,645,408,201.93 - Step 5: Solve for x
x = 20,645,408,201.93/163,252.80 - Step 6: Final answer
x = 126,462.81
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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.