Finding the Fourth Proportional to 514,495.63, 771,743.76 and 214,812.91
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Solution
The fourth proportional to 514,495.63, 771,743.76 and 214,812.91 is: 322,219.50
Step by Step Solution
- Step 1: Write the proportion equation
514,495.63 : 771,743.76 = 214,812.91 : x - Step 2: Convert to fraction form
514,495.63/771,743.76 = 214,812.91/x - Step 3: Cross multiply
514,495.63x = 771,743.76 × 214,812.91 - Step 4: Simplify right side
514,495.63x = 165,780,522,859.94 - Step 5: Solve for x
x = 165,780,522,859.94/514,495.63 - Step 6: Final answer
x = 322,219.50
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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.