Finding the Fourth Proportional to 72,202.26, 108,263.74 and 22,268.50
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Solution
The fourth proportional to 72,202.26, 108,263.74 and 22,268.50 is: 33,390.52
Step by Step Solution
- Step 1: Write the proportion equation
72,202.26 : 108,263.74 = 22,268.50 : x - Step 2: Convert to fraction form
72,202.26/108,263.74 = 22,268.50/x - Step 3: Cross multiply
72,202.26x = 108,263.74 × 22,268.50 - Step 4: Simplify right side
72,202.26x = 2,410,871,094.19 - Step 5: Solve for x
x = 2,410,871,094.19/72,202.26 - Step 6: Final answer
x = 33,390.52
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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.