Finding the Fourth Proportional to 234,519.70, 351,775.80 and 74,593.32
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Solution
The fourth proportional to 234,519.70, 351,775.80 and 74,593.32 is: 111,888.79
Step by Step Solution
- Step 1: Write the proportion equation
234,519.70 : 351,775.80 = 74,593.32 : x - Step 2: Convert to fraction form
234,519.70/351,775.80 = 74,593.32/x - Step 3: Cross multiply
234,519.70x = 351,775.80 × 74,593.32 - Step 4: Simplify right side
234,519.70x = 26,240,124,817.66 - Step 5: Solve for x
x = 26,240,124,817.66/234,519.70 - Step 6: Final answer
x = 111,888.79
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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.