Finding the Fourth Proportional to 179,829.97, 269,658.89 and 84,980.99
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Solution
The fourth proportional to 179,829.97, 269,658.89 and 84,980.99 is: 127,430.82
Step by Step Solution
- Step 1: Write the proportion equation
179,829.97 : 269,658.89 = 84,980.99 : x - Step 2: Convert to fraction form
179,829.97/269,658.89 = 84,980.99/x - Step 3: Cross multiply
179,829.97x = 269,658.89 × 84,980.99 - Step 4: Simplify right side
179,829.97x = 22,915,879,009.60 - Step 5: Solve for x
x = 22,915,879,009.60/179,829.97 - Step 6: Final answer
x = 127,430.82
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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.