Finding the Fourth Proportional to 207,126.11, 310,919.75 and 107,259.59
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Solution
The fourth proportional to 207,126.11, 310,919.75 and 107,259.59 is: 161,008.79
Step by Step Solution
- Step 1: Write the proportion equation
207,126.11 : 310,919.75 = 107,259.59 : x - Step 2: Convert to fraction form
207,126.11/310,919.75 = 107,259.59/x - Step 3: Cross multiply
207,126.11x = 310,919.75 × 107,259.59 - Step 4: Simplify right side
207,126.11x = 33,349,124,907.90 - Step 5: Solve for x
x = 33,349,124,907.90/207,126.11 - Step 6: Final answer
x = 161,008.79
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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.