Finding the Fourth Proportional to 210,263.04, 290,119.68 and 120,821.76
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Solution
The fourth proportional to 210,263.04, 290,119.68 and 120,821.76 is: 166,709.14
Step by Step Solution
- Step 1: Write the proportion equation
210,263.04 : 290,119.68 = 120,821.76 : x - Step 2: Convert to fraction form
210,263.04/290,119.68 = 120,821.76/x - Step 3: Cross multiply
210,263.04x = 290,119.68 × 120,821.76 - Step 4: Simplify right side
210,263.04x = 35,052,770,348.24 - Step 5: Solve for x
x = 35,052,770,348.24/210,263.04 - Step 6: Final answer
x = 166,709.14
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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.