Finding the Fourth Proportional to 170,153.91, 255,267.81 and 51,822.14
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Solution
The fourth proportional to 170,153.91, 255,267.81 and 51,822.14 is: 77,744.45
Step by Step Solution
- Step 1: Write the proportion equation
170,153.91 : 255,267.81 = 51,822.14 : x - Step 2: Convert to fraction form
170,153.91/255,267.81 = 51,822.14/x - Step 3: Cross multiply
170,153.91x = 255,267.81 × 51,822.14 - Step 4: Simplify right side
170,153.91x = 13,228,522,910.97 - Step 5: Solve for x
x = 13,228,522,910.97/170,153.91 - Step 6: Final answer
x = 77,744.45
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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.