Finding the Fourth Proportional to 636,246.26, 954,344.47 and 215,522.13
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Solution
The fourth proportional to 636,246.26, 954,344.47 and 215,522.13 is: 323,274.75
Step by Step Solution
- Step 1: Write the proportion equation
636,246.26 : 954,344.47 = 215,522.13 : x - Step 2: Convert to fraction form
636,246.26/954,344.47 = 215,522.13/x - Step 3: Cross multiply
636,246.26x = 954,344.47 × 215,522.13 - Step 4: Simplify right side
636,246.26x = 205,682,352,928.12 - Step 5: Solve for x
x = 205,682,352,928.12/636,246.26 - Step 6: Final answer
x = 323,274.75
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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.