Finding the Fourth Proportional to 239,772.45, 359,658.63 and 71,292.09
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Solution
The fourth proportional to 239,772.45, 359,658.63 and 71,292.09 is: 106,938.12
Step by Step Solution
- Step 1: Write the proportion equation
239,772.45 : 359,658.63 = 71,292.09 : x - Step 2: Convert to fraction form
239,772.45/359,658.63 = 71,292.09/x - Step 3: Cross multiply
239,772.45x = 359,658.63 × 71,292.09 - Step 4: Simplify right side
239,772.45x = 25,640,815,419.24 - Step 5: Solve for x
x = 25,640,815,419.24/239,772.45 - Step 6: Final answer
x = 106,938.12
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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.