Finding the Fourth Proportional to 439,626.13, 606,684.05 and 248,635.42
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Solution
The fourth proportional to 439,626.13, 606,684.05 and 248,635.42 is: 343,116.87
Step by Step Solution
- Step 1: Write the proportion equation
439,626.13 : 606,684.05 = 248,635.42 : x - Step 2: Convert to fraction form
439,626.13/606,684.05 = 248,635.42/x - Step 3: Cross multiply
439,626.13x = 606,684.05 × 248,635.42 - Step 4: Simplify right side
439,626.13x = 150,843,143,579.05 - Step 5: Solve for x
x = 150,843,143,579.05/439,626.13 - Step 6: Final answer
x = 343,116.87
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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.