Finding the Fourth Proportional to 148,245.92, 222,345.84 and 69,353.12
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Solution
The fourth proportional to 148,245.92, 222,345.84 and 69,353.12 is: 104,018.90
Step by Step Solution
- Step 1: Write the proportion equation
148,245.92 : 222,345.84 = 69,353.12 : x - Step 2: Convert to fraction form
148,245.92/222,345.84 = 69,353.12/x - Step 3: Cross multiply
148,245.92x = 222,345.84 × 69,353.12 - Step 4: Simplify right side
148,245.92x = 15,420,377,723.02 - Step 5: Solve for x
x = 15,420,377,723.02/148,245.92 - Step 6: Final answer
x = 104,018.90
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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.