Finding the Fourth Proportional to 514,306.20, 771,582.48 and 214,620.06
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Solution
The fourth proportional to 514,306.20, 771,582.48 and 214,620.06 is: 321,981.49
Step by Step Solution
- Step 1: Write the proportion equation
514,306.20 : 771,582.48 = 214,620.06 : x - Step 2: Convert to fraction form
514,306.20/771,582.48 = 214,620.06/x - Step 3: Cross multiply
514,306.20x = 771,582.48 × 214,620.06 - Step 4: Simplify right side
514,306.20x = 165,597,078,152.55 - Step 5: Solve for x
x = 165,597,078,152.55/514,306.20 - Step 6: Final answer
x = 321,981.49
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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.