Finding the Fourth Proportional to 126,266.70, 189,054.45 and 98,618.70
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Solution
The fourth proportional to 126,266.70, 189,054.45 and 98,618.70 is: 147,658.12
Step by Step Solution
- Step 1: Write the proportion equation
126,266.70 : 189,054.45 = 98,618.70 : x - Step 2: Convert to fraction form
126,266.70/189,054.45 = 98,618.70/x - Step 3: Cross multiply
126,266.70x = 189,054.45 × 98,618.70 - Step 4: Simplify right side
126,266.70x = 18,644,304,088.22 - Step 5: Solve for x
x = 18,644,304,088.22/126,266.70 - Step 6: Final answer
x = 147,658.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.