Finding the Fourth Proportional to 156,974.62, 235,456.64 and 68,228.13
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Solution
The fourth proportional to 156,974.62, 235,456.64 and 68,228.13 is: 102,339.90
Step by Step Solution
- Step 1: Write the proportion equation
156,974.62 : 235,456.64 = 68,228.13 : x - Step 2: Convert to fraction form
156,974.62/235,456.64 = 68,228.13/x - Step 3: Cross multiply
156,974.62x = 235,456.64 × 68,228.13 - Step 4: Simplify right side
156,974.62x = 16,064,766,243.28 - Step 5: Solve for x
x = 16,064,766,243.28/156,974.62 - Step 6: Final answer
x = 102,339.90
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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.