Finding the Fourth Proportional to 323,811.16, 447,207.92 and 246,505.56
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Solution
The fourth proportional to 323,811.16, 447,207.92 and 246,505.56 is: 340,442.99
Step by Step Solution
- Step 1: Write the proportion equation
323,811.16 : 447,207.92 = 246,505.56 : x - Step 2: Convert to fraction form
323,811.16/447,207.92 = 246,505.56/x - Step 3: Cross multiply
323,811.16x = 447,207.92 × 246,505.56 - Step 4: Simplify right side
323,811.16x = 110,239,238,756.04 - Step 5: Solve for x
x = 110,239,238,756.04/323,811.16 - Step 6: Final answer
x = 340,442.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.