Finding the Fourth Proportional to 90,610.14, 135,880.58 and 29,806.26
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Solution
The fourth proportional to 90,610.14, 135,880.58 and 29,806.26 is: 44,698.00
Step by Step Solution
- Step 1: Write the proportion equation
90,610.14 : 135,880.58 = 29,806.26 : x - Step 2: Convert to fraction form
90,610.14/135,880.58 = 29,806.26/x - Step 3: Cross multiply
90,610.14x = 135,880.58 × 29,806.26 - Step 4: Simplify right side
90,610.14x = 4,050,092,169.84 - Step 5: Solve for x
x = 4,050,092,169.84/90,610.14 - Step 6: Final answer
x = 44,698.00
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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.