Finding the Fourth Proportional to 395,684.68, 546,045.36 and 214,396.56
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Solution
The fourth proportional to 395,684.68, 546,045.36 and 214,396.56 is: 295,867.52
Step by Step Solution
- Step 1: Write the proportion equation
395,684.68 : 546,045.36 = 214,396.56 : x - Step 2: Convert to fraction form
395,684.68/546,045.36 = 214,396.56/x - Step 3: Cross multiply
395,684.68x = 546,045.36 × 214,396.56 - Step 4: Simplify right side
395,684.68x = 117,070,246,787.96 - Step 5: Solve for x
x = 117,070,246,787.96/395,684.68 - Step 6: Final answer
x = 295,867.52
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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.