Finding the Fourth Proportional to 372,542.97, 558,897.79 and 135,885.65
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Solution
The fourth proportional to 372,542.97, 558,897.79 and 135,885.65 is: 203,858.87
Step by Step Solution
- Step 1: Write the proportion equation
372,542.97 : 558,897.79 = 135,885.65 : x - Step 2: Convert to fraction form
372,542.97/558,897.79 = 135,885.65/x - Step 3: Cross multiply
372,542.97x = 558,897.79 × 135,885.65 - Step 4: Simplify right side
372,542.97x = 75,946,187,830.39 - Step 5: Solve for x
x = 75,946,187,830.39/372,542.97 - Step 6: Final answer
x = 203,858.87
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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.