Finding the Fourth Proportional to 151,351.70, 226,918.20 and 84,812.23
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Solution
The fourth proportional to 151,351.70, 226,918.20 and 84,812.23 is: 127,157.07
Step by Step Solution
- Step 1: Write the proportion equation
151,351.70 : 226,918.20 = 84,812.23 : x - Step 2: Convert to fraction form
151,351.70/226,918.20 = 84,812.23/x - Step 3: Cross multiply
151,351.70x = 226,918.20 × 84,812.23 - Step 4: Simplify right side
151,351.70x = 19,245,438,569.59 - Step 5: Solve for x
x = 19,245,438,569.59/151,351.70 - Step 6: Final answer
x = 127,157.07
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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.