Finding the Fourth Proportional to 474,664.12, 655,034.06 and 256,872.62
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Solution
The fourth proportional to 474,664.12, 655,034.06 and 256,872.62 is: 354,482.90
Step by Step Solution
- Step 1: Write the proportion equation
474,664.12 : 655,034.06 = 256,872.62 : x - Step 2: Convert to fraction form
474,664.12/655,034.06 = 256,872.62/x - Step 3: Cross multiply
474,664.12x = 655,034.06 × 256,872.62 - Step 4: Simplify right side
474,664.12x = 168,260,315,181.44 - Step 5: Solve for x
x = 168,260,315,181.44/474,664.12 - Step 6: Final answer
x = 354,482.90
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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.