Finding the Fourth Proportional to 90,273.42, 135,394.74 and 27,076.41
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Solution
The fourth proportional to 90,273.42, 135,394.74 and 27,076.41 is: 40,610.00
Step by Step Solution
- Step 1: Write the proportion equation
90,273.42 : 135,394.74 = 27,076.41 : x - Step 2: Convert to fraction form
90,273.42/135,394.74 = 27,076.41/x - Step 3: Cross multiply
90,273.42x = 135,394.74 × 27,076.41 - Step 4: Simplify right side
90,273.42x = 3,666,003,492.08 - Step 5: Solve for x
x = 3,666,003,492.08/90,273.42 - Step 6: Final answer
x = 40,610.00
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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.