Finding the Fourth Proportional to 234,171.06, 323,121.42 and 137,338.26
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Solution
The fourth proportional to 234,171.06, 323,121.42 and 137,338.26 is: 189,506.48
Step by Step Solution
- Step 1: Write the proportion equation
234,171.06 : 323,121.42 = 137,338.26 : x - Step 2: Convert to fraction form
234,171.06/323,121.42 = 137,338.26/x - Step 3: Cross multiply
234,171.06x = 323,121.42 × 137,338.26 - Step 4: Simplify right side
234,171.06x = 44,376,933,591.53 - Step 5: Solve for x
x = 44,376,933,591.53/234,171.06 - Step 6: Final answer
x = 189,506.48
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1.5x scale
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.