Finding the Fourth Proportional to 301,212.17, 451,203.14 and 168,163.28
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Solution
The fourth proportional to 301,212.17, 451,203.14 and 168,163.28 is: 251,901.51
Step by Step Solution
- Step 1: Write the proportion equation
301,212.17 : 451,203.14 = 168,163.28 : x - Step 2: Convert to fraction form
301,212.17/451,203.14 = 168,163.28/x - Step 3: Cross multiply
301,212.17x = 451,203.14 × 168,163.28 - Step 4: Simplify right side
301,212.17x = 75,875,799,968.70 - Step 5: Solve for x
x = 75,875,799,968.70/301,212.17 - Step 6: Final answer
x = 251,901.51
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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.