Finding the Fourth Proportional to 169,126.29, 253,506.05 and 84,682.88
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Solution
The fourth proportional to 169,126.29, 253,506.05 and 84,682.88 is: 126,932.50
Step by Step Solution
- Step 1: Write the proportion equation
169,126.29 : 253,506.05 = 84,682.88 : x - Step 2: Convert to fraction form
169,126.29/253,506.05 = 84,682.88/x - Step 3: Cross multiply
169,126.29x = 253,506.05 × 84,682.88 - Step 4: Simplify right side
169,126.29x = 21,467,622,621.77 - Step 5: Solve for x
x = 21,467,622,621.77/169,126.29 - Step 6: Final answer
x = 126,932.50
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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.