Finding the Fourth Proportional to 147,821.62, 204,030.30 and 84,197.02
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Solution
The fourth proportional to 147,821.62, 204,030.30 and 84,197.02 is: 116,212.66
Step by Step Solution
- Step 1: Write the proportion equation
147,821.62 : 204,030.30 = 84,197.02 : x - Step 2: Convert to fraction form
147,821.62/204,030.30 = 84,197.02/x - Step 3: Cross multiply
147,821.62x = 204,030.30 × 84,197.02 - Step 4: Simplify right side
147,821.62x = 17,178,743,249.71 - Step 5: Solve for x
x = 17,178,743,249.71/147,821.62 - Step 6: Final answer
x = 116,212.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.