Finding the Fourth Proportional to 312,247.19, 430,896.35 and 174,427.92
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Solution
The fourth proportional to 312,247.19, 430,896.35 and 174,427.92 is: 240,707.86
Step by Step Solution
- Step 1: Write the proportion equation
312,247.19 : 430,896.35 = 174,427.92 : x - Step 2: Convert to fraction form
312,247.19/430,896.35 = 174,427.92/x - Step 3: Cross multiply
312,247.19x = 430,896.35 × 174,427.92 - Step 4: Simplify right side
312,247.19x = 75,160,353,193.95 - Step 5: Solve for x
x = 75,160,353,193.95/312,247.19 - Step 6: Final answer
x = 240,707.86
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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.