Finding the Fourth Proportional to 493,992.67, 681,709.35 and 267,638.17
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Solution
The fourth proportional to 493,992.67, 681,709.35 and 267,638.17 is: 369,340.38
Step by Step Solution
- Step 1: Write the proportion equation
493,992.67 : 681,709.35 = 267,638.17 : x - Step 2: Convert to fraction form
493,992.67/681,709.35 = 267,638.17/x - Step 3: Cross multiply
493,992.67x = 681,709.35 × 267,638.17 - Step 4: Simplify right side
493,992.67x = 182,451,442,905.89 - Step 5: Solve for x
x = 182,451,442,905.89/493,992.67 - Step 6: Final answer
x = 369,340.38
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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.