Finding the Fourth Proportional to 113,212.69, 156,234.93 and 62,230.99
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Solution
The fourth proportional to 113,212.69, 156,234.93 and 62,230.99 is: 85,879.55
Step by Step Solution
- Step 1: Write the proportion equation
113,212.69 : 156,234.93 = 62,230.99 : x - Step 2: Convert to fraction form
113,212.69/156,234.93 = 62,230.99/x - Step 3: Cross multiply
113,212.69x = 156,234.93 × 62,230.99 - Step 4: Simplify right side
113,212.69x = 9,722,654,366.48 - Step 5: Solve for x
x = 9,722,654,366.48/113,212.69 - Step 6: Final answer
x = 85,879.55
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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.