Finding the Fourth Proportional to 90,258.97, 135,388.46 and 23,698.99
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Solution
The fourth proportional to 90,258.97, 135,388.46 and 23,698.99 is: 35,548.49
Step by Step Solution
- Step 1: Write the proportion equation
90,258.97 : 135,388.46 = 23,698.99 : x - Step 2: Convert to fraction form
90,258.97/135,388.46 = 23,698.99/x - Step 3: Cross multiply
90,258.97x = 135,388.46 × 23,698.99 - Step 4: Simplify right side
90,258.97x = 3,208,570,028.56 - Step 5: Solve for x
x = 3,208,570,028.56/90,258.97 - Step 6: Final answer
x = 35,548.49
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Double scale
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Similar ratio
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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.