Finding the Fourth Proportional to 163,235.63, 225,265.17 and 91,615.65
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Solution
The fourth proportional to 163,235.63, 225,265.17 and 91,615.65 is: 126,429.59
Step by Step Solution
- Step 1: Write the proportion equation
163,235.63 : 225,265.17 = 91,615.65 : x - Step 2: Convert to fraction form
163,235.63/225,265.17 = 91,615.65/x - Step 3: Cross multiply
163,235.63x = 225,265.17 × 91,615.65 - Step 4: Simplify right side
163,235.63x = 20,637,814,513.83 - Step 5: Solve for x
x = 20,637,814,513.83/163,235.63 - Step 6: Final answer
x = 126,429.59
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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.