Finding the Fourth Proportional to 372,418.16, 558,288.36 and 135,706.88
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Solution
The fourth proportional to 372,418.16, 558,288.36 and 135,706.88 is: 203,436.83
Step by Step Solution
- Step 1: Write the proportion equation
372,418.16 : 558,288.36 = 135,706.88 : x - Step 2: Convert to fraction form
372,418.16/558,288.36 = 135,706.88/x - Step 3: Cross multiply
372,418.16x = 558,288.36 × 135,706.88 - Step 4: Simplify right side
372,418.16x = 75,763,571,475.92 - Step 5: Solve for x
x = 75,763,571,475.92/372,418.16 - Step 6: Final answer
x = 203,436.83
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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.