Finding the Fourth Proportional to 259,095.39, 388,643.09 and 101,213.13
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Solution
The fourth proportional to 259,095.39, 388,643.09 and 101,213.13 is: 151,819.70
Step by Step Solution
- Step 1: Write the proportion equation
259,095.39 : 388,643.09 = 101,213.13 : x - Step 2: Convert to fraction form
259,095.39/388,643.09 = 101,213.13/x - Step 3: Cross multiply
259,095.39x = 388,643.09 × 101,213.13 - Step 4: Simplify right side
259,095.39x = 39,335,783,085.71 - Step 5: Solve for x
x = 39,335,783,085.71/259,095.39 - Step 6: Final answer
x = 151,819.70
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Similar ratio
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1.5x scale
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.