Finding the Fourth Proportional to 311,727.02, 430,183.18 and 168,487.06
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Solution
The fourth proportional to 311,727.02, 430,183.18 and 168,487.06 is: 232,512.08
Step by Step Solution
- Step 1: Write the proportion equation
311,727.02 : 430,183.18 = 168,487.06 : x - Step 2: Convert to fraction form
311,727.02/430,183.18 = 168,487.06/x - Step 3: Cross multiply
311,727.02x = 430,183.18 × 168,487.06 - Step 4: Simplify right side
311,727.02x = 72,480,299,259.65 - Step 5: Solve for x
x = 72,480,299,259.65/311,727.02 - Step 6: Final answer
x = 232,512.08
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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.