Finding the Fourth Proportional to 250,338.99, 375,420.10 and 108,178.53
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Solution
The fourth proportional to 250,338.99, 375,420.10 and 108,178.53 is: 162,229.60
Step by Step Solution
- Step 1: Write the proportion equation
250,338.99 : 375,420.10 = 108,178.53 : x - Step 2: Convert to fraction form
250,338.99/375,420.10 = 108,178.53/x - Step 3: Cross multiply
250,338.99x = 375,420.10 × 108,178.53 - Step 4: Simplify right side
250,338.99x = 40,612,394,550.45 - Step 5: Solve for x
x = 40,612,394,550.45/250,338.99 - Step 6: Final answer
x = 162,229.60
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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.