Finding the Fourth Proportional to 147,110.28, 220,644.36 and 47,257.62
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Solution
The fourth proportional to 147,110.28, 220,644.36 and 47,257.62 is: 70,879.66
Step by Step Solution
- Step 1: Write the proportion equation
147,110.28 : 220,644.36 = 47,257.62 : x - Step 2: Convert to fraction form
147,110.28/220,644.36 = 47,257.62/x - Step 3: Cross multiply
147,110.28x = 220,644.36 × 47,257.62 - Step 4: Simplify right side
147,110.28x = 10,427,127,320.02 - Step 5: Solve for x
x = 10,427,127,320.02/147,110.28 - Step 6: Final answer
x = 70,879.66
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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.