Finding the Fourth Proportional to 134,804.80, 202,288.20 and 55,910.80
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Solution
The fourth proportional to 134,804.80, 202,288.20 and 55,910.80 is: 83,899.80
Step by Step Solution
- Step 1: Write the proportion equation
134,804.80 : 202,288.20 = 55,910.80 : x - Step 2: Convert to fraction form
134,804.80/202,288.20 = 55,910.80/x - Step 3: Cross multiply
134,804.80x = 202,288.20 × 55,910.80 - Step 4: Simplify right side
134,804.80x = 11,310,095,092.56 - Step 5: Solve for x
x = 11,310,095,092.56/134,804.80 - Step 6: Final answer
x = 83,899.80
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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.