Finding the Fourth Proportional to 514,310.60, 771,589.08 and 214,624.48
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Solution
The fourth proportional to 514,310.60, 771,589.08 and 214,624.48 is: 321,988.12
Step by Step Solution
- Step 1: Write the proportion equation
514,310.60 : 771,589.08 = 214,624.48 : x - Step 2: Convert to fraction form
514,310.60/771,589.08 = 214,624.48/x - Step 3: Cross multiply
514,310.60x = 771,589.08 × 214,624.48 - Step 4: Simplify right side
514,310.60x = 165,601,905,068.68 - Step 5: Solve for x
x = 165,601,905,068.68/514,310.60 - Step 6: Final answer
x = 321,988.12
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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.