Finding the Fourth Proportional to 676,421.31, 1,014,787.50 and 203,115.63
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Solution
The fourth proportional to 676,421.31, 1,014,787.50 and 203,115.63 is: 304,720.15
Step by Step Solution
- Step 1: Write the proportion equation
676,421.31 : 1,014,787.50 = 203,115.63 : x - Step 2: Convert to fraction form
676,421.31/1,014,787.50 = 203,115.63/x - Step 3: Cross multiply
676,421.31x = 1,014,787.50 × 203,115.63 - Step 4: Simplify right side
676,421.31x = 206,119,202,378.63 - Step 5: Solve for x
x = 206,119,202,378.63/676,421.31 - Step 6: Final answer
x = 304,720.15
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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.