Finding the Fourth Proportional to 90,199.37, 135,260.98 and 27,028.49
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Solution
The fourth proportional to 90,199.37, 135,260.98 and 27,028.49 is: 40,531.32
Step by Step Solution
- Step 1: Write the proportion equation
90,199.37 : 135,260.98 = 27,028.49 : x - Step 2: Convert to fraction form
90,199.37/135,260.98 = 27,028.49/x - Step 3: Cross multiply
90,199.37x = 135,260.98 × 27,028.49 - Step 4: Simplify right side
90,199.37x = 3,655,899,301.44 - Step 5: Solve for x
x = 3,655,899,301.44/90,199.37 - Step 6: Final answer
x = 40,531.32
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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.