Finding the Fourth Proportional to 247,483.88, 371,286.18 and 79,004.23
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Solution
The fourth proportional to 247,483.88, 371,286.18 and 79,004.23 is: 118,525.61
Step by Step Solution
- Step 1: Write the proportion equation
247,483.88 : 371,286.18 = 79,004.23 : x - Step 2: Convert to fraction form
247,483.88/371,286.18 = 79,004.23/x - Step 3: Cross multiply
247,483.88x = 371,286.18 × 79,004.23 - Step 4: Simplify right side
247,483.88x = 29,333,178,760.54 - Step 5: Solve for x
x = 29,333,178,760.54/247,483.88 - Step 6: Final answer
x = 118,525.61
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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.