Finding the Fourth Proportional to 163,635.18, 225,718.56 and 99,862.26
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Solution
The fourth proportional to 163,635.18, 225,718.56 and 99,862.26 is: 137,750.12
Step by Step Solution
- Step 1: Write the proportion equation
163,635.18 : 225,718.56 = 99,862.26 : x - Step 2: Convert to fraction form
163,635.18/225,718.56 = 99,862.26/x - Step 3: Cross multiply
163,635.18x = 225,718.56 × 99,862.26 - Step 4: Simplify right side
163,635.18x = 22,540,765,525.55 - Step 5: Solve for x
x = 22,540,765,525.55/163,635.18 - Step 6: Final answer
x = 137,750.12
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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.