Finding the Fourth Proportional to 201,503.04, 278,074.18 and 110,857.05
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Solution
The fourth proportional to 201,503.04, 278,074.18 and 110,857.05 is: 152,982.72
Step by Step Solution
- Step 1: Write the proportion equation
201,503.04 : 278,074.18 = 110,857.05 : x - Step 2: Convert to fraction form
201,503.04/278,074.18 = 110,857.05/x - Step 3: Cross multiply
201,503.04x = 278,074.18 × 110,857.05 - Step 4: Simplify right side
201,503.04x = 30,826,483,275.97 - Step 5: Solve for x
x = 30,826,483,275.97/201,503.04 - Step 6: Final answer
x = 152,982.72
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1.5x scale
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.