Finding the Fourth Proportional to 430,446.90, 644,784.36 and 252,524.88
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Solution
The fourth proportional to 430,446.90, 644,784.36 and 252,524.88 is: 378,267.55
Step by Step Solution
- Step 1: Write the proportion equation
430,446.90 : 644,784.36 = 252,524.88 : x - Step 2: Convert to fraction form
430,446.90/644,784.36 = 252,524.88/x - Step 3: Cross multiply
430,446.90x = 644,784.36 × 252,524.88 - Step 4: Simplify right side
430,446.90x = 162,824,093,134.88 - Step 5: Solve for x
x = 162,824,093,134.88/430,446.90 - Step 6: Final answer
x = 378,267.55
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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.