Finding the Fourth Proportional to 409,391.07, 614,180.07 and 125,122.08
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Solution
The fourth proportional to 409,391.07, 614,180.07 and 125,122.08 is: 187,711.69
Step by Step Solution
- Step 1: Write the proportion equation
409,391.07 : 614,180.07 = 125,122.08 : x - Step 2: Convert to fraction form
409,391.07/614,180.07 = 125,122.08/x - Step 3: Cross multiply
409,391.07x = 614,180.07 × 125,122.08 - Step 4: Simplify right side
409,391.07x = 76,847,487,852.95 - Step 5: Solve for x
x = 76,847,487,852.95/409,391.07 - Step 6: Final answer
x = 187,711.69
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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.