Finding the Fourth Proportional to 514,307.75, 771,584.74 and 214,621.58
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Solution
The fourth proportional to 514,307.75, 771,584.74 and 214,621.58 is: 321,983.75
Step by Step Solution
- Step 1: Write the proportion equation
514,307.75 : 771,584.74 = 214,621.58 : x - Step 2: Convert to fraction form
514,307.75/771,584.74 = 214,621.58/x - Step 3: Cross multiply
514,307.75x = 771,584.74 × 214,621.58 - Step 4: Simplify right side
514,307.75x = 165,598,737,395.10 - Step 5: Solve for x
x = 165,598,737,395.10/514,307.75 - Step 6: Final answer
x = 321,983.75
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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.