Finding the Fourth Proportional to 150,291.85, 225,337.74 and 90,184.99
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Solution
The fourth proportional to 150,291.85, 225,337.74 and 90,184.99 is: 135,217.46
Step by Step Solution
- Step 1: Write the proportion equation
150,291.85 : 225,337.74 = 90,184.99 : x - Step 2: Convert to fraction form
150,291.85/225,337.74 = 90,184.99/x - Step 3: Cross multiply
150,291.85x = 225,337.74 × 90,184.99 - Step 4: Simplify right side
150,291.85x = 20,322,081,828.52 - Step 5: Solve for x
x = 20,322,081,828.52/150,291.85 - Step 6: Final answer
x = 135,217.46
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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.