Finding the Fourth Proportional to 163,306.14, 225,343.11 and 91,670.46
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Solution
The fourth proportional to 163,306.14, 225,343.11 and 91,670.46 is: 126,494.37
Step by Step Solution
- Step 1: Write the proportion equation
163,306.14 : 225,343.11 = 91,670.46 : x - Step 2: Convert to fraction form
163,306.14/225,343.11 = 91,670.46/x - Step 3: Cross multiply
163,306.14x = 225,343.11 × 91,670.46 - Step 4: Simplify right side
163,306.14x = 20,657,306,551.53 - Step 5: Solve for x
x = 20,657,306,551.53/163,306.14 - Step 6: Final answer
x = 126,494.37
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1.5x scale
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.