Finding the Fourth Proportional to 214,368.71, 321,272.75 and 87,860.84
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Solution
The fourth proportional to 214,368.71, 321,272.75 and 87,860.84 is: 131,676.37
Step by Step Solution
- Step 1: Write the proportion equation
214,368.71 : 321,272.75 = 87,860.84 : x - Step 2: Convert to fraction form
214,368.71/321,272.75 = 87,860.84/x - Step 3: Cross multiply
214,368.71x = 321,272.75 × 87,860.84 - Step 4: Simplify right side
214,368.71x = 28,227,292,077.75 - Step 5: Solve for x
x = 28,227,292,077.75/214,368.71 - Step 6: Final answer
x = 131,676.37
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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.