Finding the Fourth Proportional to 148,757.76, 223,215.84 and 69,873.12
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Solution
The fourth proportional to 148,757.76, 223,215.84 and 69,873.12 is: 104,846.88
Step by Step Solution
- Step 1: Write the proportion equation
148,757.76 : 223,215.84 = 69,873.12 : x - Step 2: Convert to fraction form
148,757.76/223,215.84 = 69,873.12/x - Step 3: Cross multiply
148,757.76x = 223,215.84 × 69,873.12 - Step 4: Simplify right side
148,757.76x = 15,596,787,174.22 - Step 5: Solve for x
x = 15,596,787,174.22/148,757.76 - Step 6: Final answer
x = 104,846.88
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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.