Finding the Fourth Proportional to 147,799.62, 221,699.52 and 47,959.92
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Solution
The fourth proportional to 147,799.62, 221,699.52 and 47,959.92 is: 71,939.91
Step by Step Solution
- Step 1: Write the proportion equation
147,799.62 : 221,699.52 = 47,959.92 : x - Step 2: Convert to fraction form
147,799.62/221,699.52 = 47,959.92/x - Step 3: Cross multiply
147,799.62x = 221,699.52 × 47,959.92 - Step 4: Simplify right side
147,799.62x = 10,632,691,243.24 - Step 5: Solve for x
x = 10,632,691,243.24/147,799.62 - Step 6: Final answer
x = 71,939.91
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1.5x scale
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.