Finding the Fourth Proportional to 306,439.92, 459,660.24 and 84,823.92
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Solution
The fourth proportional to 306,439.92, 459,660.24 and 84,823.92 is: 127,235.98
Step by Step Solution
- Step 1: Write the proportion equation
306,439.92 : 459,660.24 = 84,823.92 : x - Step 2: Convert to fraction form
306,439.92/459,660.24 = 84,823.92/x - Step 3: Cross multiply
306,439.92x = 459,660.24 × 84,823.92 - Step 4: Simplify right side
306,439.92x = 38,990,183,424.94 - Step 5: Solve for x
x = 38,990,183,424.94/306,439.92 - Step 6: Final answer
x = 127,235.98
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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.