Finding the Fourth Proportional to 133,541.19, 200,331.53 and 38,759.09
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Solution
The fourth proportional to 133,541.19, 200,331.53 and 38,759.09 is: 58,144.37
Step by Step Solution
- Step 1: Write the proportion equation
133,541.19 : 200,331.53 = 38,759.09 : x - Step 2: Convert to fraction form
133,541.19/200,331.53 = 38,759.09/x - Step 3: Cross multiply
133,541.19x = 200,331.53 × 38,759.09 - Step 4: Simplify right side
133,541.19x = 7,764,668,723.01 - Step 5: Solve for x
x = 7,764,668,723.01/133,541.19 - Step 6: Final answer
x = 58,144.37
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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.