Finding the Fourth Proportional to 421,170.18, 581,213.46 and 230,183.52
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Solution
The fourth proportional to 421,170.18, 581,213.46 and 230,183.52 is: 317,652.50
Step by Step Solution
- Step 1: Write the proportion equation
421,170.18 : 581,213.46 = 230,183.52 : x - Step 2: Convert to fraction form
421,170.18/581,213.46 = 230,183.52/x - Step 3: Cross multiply
421,170.18x = 581,213.46 × 230,183.52 - Step 4: Simplify right side
421,170.18x = 133,785,760,094.18 - Step 5: Solve for x
x = 133,785,760,094.18/421,170.18 - Step 6: Final answer
x = 317,652.50
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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.