Finding the Fourth Proportional to 221,570.92, 305,800.14 and 126,101.08
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Solution
The fourth proportional to 221,570.92, 305,800.14 and 126,101.08 is: 174,037.86
Step by Step Solution
- Step 1: Write the proportion equation
221,570.92 : 305,800.14 = 126,101.08 : x - Step 2: Convert to fraction form
221,570.92/305,800.14 = 126,101.08/x - Step 3: Cross multiply
221,570.92x = 305,800.14 × 126,101.08 - Step 4: Simplify right side
221,570.92x = 38,561,727,918.15 - Step 5: Solve for x
x = 38,561,727,918.15/221,570.92 - Step 6: Final answer
x = 174,037.86
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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.