Finding the Fourth Proportional to 90,200.88, 135,263.22 and 27,029.99
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Solution
The fourth proportional to 90,200.88, 135,263.22 and 27,029.99 is: 40,533.56
Step by Step Solution
- Step 1: Write the proportion equation
90,200.88 : 135,263.22 = 27,029.99 : x - Step 2: Convert to fraction form
90,200.88/135,263.22 = 27,029.99/x - Step 3: Cross multiply
90,200.88x = 135,263.22 × 27,029.99 - Step 4: Simplify right side
90,200.88x = 3,656,162,807.65 - Step 5: Solve for x
x = 3,656,162,807.65/90,200.88 - Step 6: Final answer
x = 40,533.56
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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.