Finding the Fourth Proportional to 214,593.19, 321,947.19 and 74,351.81
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Solution
The fourth proportional to 214,593.19, 321,947.19 and 74,351.81 is: 111,547.61
Step by Step Solution
- Step 1: Write the proportion equation
214,593.19 : 321,947.19 = 74,351.81 : x - Step 2: Convert to fraction form
214,593.19/321,947.19 = 74,351.81/x - Step 3: Cross multiply
214,593.19x = 321,947.19 × 74,351.81 - Step 4: Simplify right side
214,593.19x = 23,937,357,105.78 - Step 5: Solve for x
x = 23,937,357,105.78/214,593.19 - Step 6: Final answer
x = 111,547.61
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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.