Finding the Fourth Proportional to 247,390.29, 371,109.74 and 69,898.68
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Solution
The fourth proportional to 247,390.29, 371,109.74 and 69,898.68 is: 104,854.89
Step by Step Solution
- Step 1: Write the proportion equation
247,390.29 : 371,109.74 = 69,898.68 : x - Step 2: Convert to fraction form
247,390.29/371,109.74 = 69,898.68/x - Step 3: Cross multiply
247,390.29x = 371,109.74 × 69,898.68 - Step 4: Simplify right side
247,390.29x = 25,940,080,611.65 - Step 5: Solve for x
x = 25,940,080,611.65/247,390.29 - Step 6: Final answer
x = 104,854.89
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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.