Finding the Fourth Proportional to 179,829.09, 269,657.57 and 84,980.12
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Solution
The fourth proportional to 179,829.09, 269,657.57 and 84,980.12 is: 127,429.50
Step by Step Solution
- Step 1: Write the proportion equation
179,829.09 : 269,657.57 = 84,980.12 : x - Step 2: Convert to fraction form
179,829.09/269,657.57 = 84,980.12/x - Step 3: Cross multiply
179,829.09x = 269,657.57 × 84,980.12 - Step 4: Simplify right side
179,829.09x = 22,915,531,521.67 - Step 5: Solve for x
x = 22,915,531,521.67/179,829.09 - Step 6: Final answer
x = 127,429.50
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1.5x scale
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.