Finding the Fourth Proportional to 312,237.99, 430,896.27 and 191,445.87
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Solution
The fourth proportional to 312,237.99, 430,896.27 and 191,445.87 is: 264,200.11
Step by Step Solution
- Step 1: Write the proportion equation
312,237.99 : 430,896.27 = 191,445.87 : x - Step 2: Convert to fraction form
312,237.99/430,896.27 = 191,445.87/x - Step 3: Cross multiply
312,237.99x = 430,896.27 × 191,445.87 - Step 4: Simplify right side
312,237.99x = 82,493,311,289.90 - Step 5: Solve for x
x = 82,493,311,289.90/312,237.99 - Step 6: Final answer
x = 264,200.11
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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.