Finding the Fourth Proportional to 169,933.80, 254,900.70 and 91,201.80
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Solution
The fourth proportional to 169,933.80, 254,900.70 and 91,201.80 is: 136,802.70
Step by Step Solution
- Step 1: Write the proportion equation
169,933.80 : 254,900.70 = 91,201.80 : x - Step 2: Convert to fraction form
169,933.80/254,900.70 = 91,201.80/x - Step 3: Cross multiply
169,933.80x = 254,900.70 × 91,201.80 - Step 4: Simplify right side
169,933.80x = 23,247,402,661.26 - Step 5: Solve for x
x = 23,247,402,661.26/169,933.80 - Step 6: Final answer
x = 136,802.70
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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.