Finding the Fourth Proportional to 163,527.70, 225,670.26 and 98,996.08
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Solution
The fourth proportional to 163,527.70, 225,670.26 and 98,996.08 is: 136,615.82
Step by Step Solution
- Step 1: Write the proportion equation
163,527.70 : 225,670.26 = 98,996.08 : x - Step 2: Convert to fraction form
163,527.70/225,670.26 = 98,996.08/x - Step 3: Cross multiply
163,527.70x = 225,670.26 × 98,996.08 - Step 4: Simplify right side
163,527.70x = 22,340,471,112.58 - Step 5: Solve for x
x = 22,340,471,112.58/163,527.70 - Step 6: Final answer
x = 136,615.82
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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.