Finding the Fourth Proportional to 284,074.84, 426,038.52 and 84,348.28
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Solution
The fourth proportional to 284,074.84, 426,038.52 and 84,348.28 is: 126,500.52
Step by Step Solution
- Step 1: Write the proportion equation
284,074.84 : 426,038.52 = 84,348.28 : x - Step 2: Convert to fraction form
284,074.84/426,038.52 = 84,348.28/x - Step 3: Cross multiply
284,074.84x = 426,038.52 × 84,348.28 - Step 4: Simplify right side
284,074.84x = 35,935,616,375.75 - Step 5: Solve for x
x = 35,935,616,375.75/284,074.84 - Step 6: Final answer
x = 126,500.52
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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.