Finding the Fourth Proportional to 368,674.92, 508,509.18 and 246,105.57
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Solution
The fourth proportional to 368,674.92, 508,509.18 and 246,105.57 is: 339,450.65
Step by Step Solution
- Step 1: Write the proportion equation
368,674.92 : 508,509.18 = 246,105.57 : x - Step 2: Convert to fraction form
368,674.92/508,509.18 = 246,105.57/x - Step 3: Cross multiply
368,674.92x = 508,509.18 × 246,105.57 - Step 4: Simplify right side
368,674.92x = 125,146,941,594.13 - Step 5: Solve for x
x = 125,146,941,594.13/368,674.92 - Step 6: Final answer
x = 339,450.65
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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.