Finding the Fourth Proportional to 312,029.26, 430,600.03 and 168,788.95
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Solution
The fourth proportional to 312,029.26, 430,600.03 and 168,788.95 is: 232,928.56
Step by Step Solution
- Step 1: Write the proportion equation
312,029.26 : 430,600.03 = 168,788.95 : x - Step 2: Convert to fraction form
312,029.26/430,600.03 = 168,788.95/x - Step 3: Cross multiply
312,029.26x = 430,600.03 × 168,788.95 - Step 4: Simplify right side
312,029.26x = 72,680,525,435.20 - Step 5: Solve for x
x = 72,680,525,435.20/312,029.26 - Step 6: Final answer
x = 232,928.56
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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.