Finding the Fourth Proportional to 372,911.80, 559,367.70 and 123,593.80
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Solution
The fourth proportional to 372,911.80, 559,367.70 and 123,593.80 is: 185,390.70
Step by Step Solution
- Step 1: Write the proportion equation
372,911.80 : 559,367.70 = 123,593.80 : x - Step 2: Convert to fraction form
372,911.80/559,367.70 = 123,593.80/x - Step 3: Cross multiply
372,911.80x = 559,367.70 × 123,593.80 - Step 4: Simplify right side
372,911.80x = 69,134,379,640.26 - Step 5: Solve for x
x = 69,134,379,640.26/372,911.80 - Step 6: Final answer
x = 185,390.70
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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.