Finding the Fourth Proportional to 372,115.44, 513,557.43 and 219,201.75
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Solution
The fourth proportional to 372,115.44, 513,557.43 and 219,201.75 is: 302,520.87
Step by Step Solution
- Step 1: Write the proportion equation
372,115.44 : 513,557.43 = 219,201.75 : x - Step 2: Convert to fraction form
372,115.44/513,557.43 = 219,201.75/x - Step 3: Cross multiply
372,115.44x = 513,557.43 × 219,201.75 - Step 4: Simplify right side
372,115.44x = 112,572,687,381.50 - Step 5: Solve for x
x = 112,572,687,381.50/372,115.44 - Step 6: Final answer
x = 302,520.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.