Finding the Fourth Proportional to 132,874.65, 199,277.91 and 39,358.53
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Solution
The fourth proportional to 132,874.65, 199,277.91 and 39,358.53 is: 59,027.70
Step by Step Solution
- Step 1: Write the proportion equation
132,874.65 : 199,277.91 = 39,358.53 : x - Step 2: Convert to fraction form
132,874.65/199,277.91 = 39,358.53/x - Step 3: Cross multiply
132,874.65x = 199,277.91 × 39,358.53 - Step 4: Simplify right side
132,874.65x = 7,843,285,599.07 - Step 5: Solve for x
x = 7,843,285,599.07/132,874.65 - Step 6: Final answer
x = 59,027.70
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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.