Finding the Fourth Proportional to 134,457.69, 201,687.69 and 38,394.65
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Solution
The fourth proportional to 134,457.69, 201,687.69 and 38,394.65 is: 57,592.31
Step by Step Solution
- Step 1: Write the proportion equation
134,457.69 : 201,687.69 = 38,394.65 : x - Step 2: Convert to fraction form
134,457.69/201,687.69 = 38,394.65/x - Step 3: Cross multiply
134,457.69x = 201,687.69 × 38,394.65 - Step 4: Simplify right side
134,457.69x = 7,743,728,074.89 - Step 5: Solve for x
x = 7,743,728,074.89/134,457.69 - Step 6: Final answer
x = 57,592.31
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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.