Finding the Fourth Proportional to 574,511.08, 861,825.60 and 219,823.42
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Solution
The fourth proportional to 574,511.08, 861,825.60 and 219,823.42 is: 329,757.70
Step by Step Solution
- Step 1: Write the proportion equation
574,511.08 : 861,825.60 = 219,823.42 : x - Step 2: Convert to fraction form
574,511.08/861,825.60 = 219,823.42/x - Step 3: Cross multiply
574,511.08x = 861,825.60 × 219,823.42 - Step 4: Simplify right side
574,511.08x = 189,449,450,835.55 - Step 5: Solve for x
x = 189,449,450,835.55/574,511.08 - Step 6: Final answer
x = 329,757.70
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1.5x scale
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.