Finding the Fourth Proportional to 440,367.92, 607,710.88 and 239,163.92
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Solution
The fourth proportional to 440,367.92, 607,710.88 and 239,163.92 is: 330,047.92
Step by Step Solution
- Step 1: Write the proportion equation
440,367.92 : 607,710.88 = 239,163.92 : x - Step 2: Convert to fraction form
440,367.92/607,710.88 = 239,163.92/x - Step 3: Cross multiply
440,367.92x = 607,710.88 × 239,163.92 - Step 4: Simplify right side
440,367.92x = 145,342,516,287.45 - Step 5: Solve for x
x = 145,342,516,287.45/440,367.92 - Step 6: Final answer
x = 330,047.92
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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.