Finding the Fourth Proportional to 495,658.62, 743,474.86 and 140,672.68
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Solution
The fourth proportional to 495,658.62, 743,474.86 and 140,672.68 is: 211,005.31
Step by Step Solution
- Step 1: Write the proportion equation
495,658.62 : 743,474.86 = 140,672.68 : x - Step 2: Convert to fraction form
495,658.62/743,474.86 = 140,672.68/x - Step 3: Cross multiply
495,658.62x = 743,474.86 × 140,672.68 - Step 4: Simplify right side
495,658.62x = 104,586,601,068.83 - Step 5: Solve for x
x = 104,586,601,068.83/495,658.62 - Step 6: Final answer
x = 211,005.31
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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.