Finding the Fourth Proportional to 111,623.24, 167,434.88 and 49,281.32
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Solution
The fourth proportional to 111,623.24, 167,434.88 and 49,281.32 is: 73,921.99
Step by Step Solution
- Step 1: Write the proportion equation
111,623.24 : 167,434.88 = 49,281.32 : x - Step 2: Convert to fraction form
111,623.24/167,434.88 = 49,281.32/x - Step 3: Cross multiply
111,623.24x = 167,434.88 × 49,281.32 - Step 4: Simplify right side
111,623.24x = 8,251,411,900.44 - Step 5: Solve for x
x = 8,251,411,900.44/111,623.24 - Step 6: Final answer
x = 73,921.99
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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.