Finding the Fourth Proportional to 235,929.70, 331,234.70 and 235,929.70
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Solution
The fourth proportional to 235,929.70, 331,234.70 and 235,929.70 is: 331,234.70
Step by Step Solution
- Step 1: Write the proportion equation
235,929.70 : 331,234.70 = 235,929.70 : x - Step 2: Convert to fraction form
235,929.70/331,234.70 = 235,929.70/x - Step 3: Cross multiply
235,929.70x = 331,234.70 × 235,929.70 - Step 4: Simplify right side
235,929.70x = 78,148,103,400.59 - Step 5: Solve for x
x = 78,148,103,400.59/235,929.70 - Step 6: Final answer
x = 331,234.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.