Finding the Fourth Proportional to 77,203.26, 115,814.24 and 27,273.14
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Solution
The fourth proportional to 77,203.26, 115,814.24 and 27,273.14 is: 40,913.01
Step by Step Solution
- Step 1: Write the proportion equation
77,203.26 : 115,814.24 = 27,273.14 : x - Step 2: Convert to fraction form
77,203.26/115,814.24 = 27,273.14/x - Step 3: Cross multiply
77,203.26x = 115,814.24 × 27,273.14 - Step 4: Simplify right side
77,203.26x = 3,158,617,981.51 - Step 5: Solve for x
x = 3,158,617,981.51/77,203.26 - Step 6: Final answer
x = 40,913.01
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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.