Finding the Fourth Proportional to 421,566.72, 581,757.84 and 230,583.84
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Solution
The fourth proportional to 421,566.72, 581,757.84 and 230,583.84 is: 318,203.38
Step by Step Solution
- Step 1: Write the proportion equation
421,566.72 : 581,757.84 = 230,583.84 : x - Step 2: Convert to fraction form
421,566.72/581,757.84 = 230,583.84/x - Step 3: Cross multiply
421,566.72x = 581,757.84 × 230,583.84 - Step 4: Simplify right side
421,566.72x = 134,143,956,697.31 - Step 5: Solve for x
x = 134,143,956,697.31/421,566.72 - Step 6: Final answer
x = 318,203.38
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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.