Finding the Fourth Proportional to 370,713.24, 555,984.58 and 220,995.80
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Solution
The fourth proportional to 370,713.24, 555,984.58 and 220,995.80 is: 331,442.86
Step by Step Solution
- Step 1: Write the proportion equation
370,713.24 : 555,984.58 = 220,995.80 : x - Step 2: Convert to fraction form
370,713.24/555,984.58 = 220,995.80/x - Step 3: Cross multiply
370,713.24x = 555,984.58 × 220,995.80 - Step 4: Simplify right side
370,713.24x = 122,870,257,044.76 - Step 5: Solve for x
x = 122,870,257,044.76/370,713.24 - Step 6: Final answer
x = 331,442.86
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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.