Finding the Fourth Proportional to 214,733.36, 322,139.64 and 70,647.28
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Solution
The fourth proportional to 214,733.36, 322,139.64 and 70,647.28 is: 105,983.95
Step by Step Solution
- Step 1: Write the proportion equation
214,733.36 : 322,139.64 = 70,647.28 : x - Step 2: Convert to fraction form
214,733.36/322,139.64 = 70,647.28/x - Step 3: Cross multiply
214,733.36x = 322,139.64 × 70,647.28 - Step 4: Simplify right side
214,733.36x = 22,758,290,087.94 - Step 5: Solve for x
x = 22,758,290,087.94/214,733.36 - Step 6: Final answer
x = 105,983.95
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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.