Finding the Fourth Proportional to 157,029.15, 235,470.83 and 68,236.95
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Solution
The fourth proportional to 157,029.15, 235,470.83 and 68,236.95 is: 102,323.75
Step by Step Solution
- Step 1: Write the proportion equation
157,029.15 : 235,470.83 = 68,236.95 : x - Step 2: Convert to fraction form
157,029.15/235,470.83 = 68,236.95/x - Step 3: Cross multiply
157,029.15x = 235,470.83 × 68,236.95 - Step 4: Simplify right side
157,029.15x = 16,067,810,911.98 - Step 5: Solve for x
x = 16,067,810,911.98/157,029.15 - Step 6: Final answer
x = 102,323.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.