Finding the Fourth Proportional to 207,143.94, 309,203.67 and 177,750.66
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Solution
The fourth proportional to 207,143.94, 309,203.67 and 177,750.66 is: 265,328.33
Step by Step Solution
- Step 1: Write the proportion equation
207,143.94 : 309,203.67 = 177,750.66 : x - Step 2: Convert to fraction form
207,143.94/309,203.67 = 177,750.66/x - Step 3: Cross multiply
207,143.94x = 309,203.67 × 177,750.66 - Step 4: Simplify right side
207,143.94x = 54,961,156,416.92 - Step 5: Solve for x
x = 54,961,156,416.92/207,143.94 - Step 6: Final answer
x = 265,328.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.