Finding the Fourth Proportional to 383,454.68, 529,156.86 and 213,684.44
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Solution
The fourth proportional to 383,454.68, 529,156.86 and 213,684.44 is: 294,878.62
Step by Step Solution
- Step 1: Write the proportion equation
383,454.68 : 529,156.86 = 213,684.44 : x - Step 2: Convert to fraction form
383,454.68/529,156.86 = 213,684.44/x - Step 3: Cross multiply
383,454.68x = 529,156.86 × 213,684.44 - Step 4: Simplify right side
383,454.68x = 113,072,587,301.26 - Step 5: Solve for x
x = 113,072,587,301.26/383,454.68 - Step 6: Final answer
x = 294,878.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.