Finding the Fourth Proportional to 214,357.20, 321,453.42 and 101,950.80
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Solution
The fourth proportional to 214,357.20, 321,453.42 and 101,950.80 is: 152,887.02
Step by Step Solution
- Step 1: Write the proportion equation
214,357.20 : 321,453.42 = 101,950.80 : x - Step 2: Convert to fraction form
214,357.20/321,453.42 = 101,950.80/x - Step 3: Cross multiply
214,357.20x = 321,453.42 × 101,950.80 - Step 4: Simplify right side
214,357.20x = 32,772,433,331.74 - Step 5: Solve for x
x = 32,772,433,331.74/214,357.20 - Step 6: Final answer
x = 152,887.02
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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.