Finding the Fourth Proportional to 207,239.36, 310,859.06 and 67,008.92
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Solution
The fourth proportional to 207,239.36, 310,859.06 and 67,008.92 is: 100,513.38
Step by Step Solution
- Step 1: Write the proportion equation
207,239.36 : 310,859.06 = 67,008.92 : x - Step 2: Convert to fraction form
207,239.36/310,859.06 = 67,008.92/x - Step 3: Cross multiply
207,239.36x = 310,859.06 × 67,008.92 - Step 4: Simplify right side
207,239.36x = 20,830,327,993.48 - Step 5: Solve for x
x = 20,830,327,993.48/207,239.36 - Step 6: Final answer
x = 100,513.38
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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.