Finding the Fourth Proportional to 284,659.98, 426,975.39 and 84,982.02
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Solution
The fourth proportional to 284,659.98, 426,975.39 and 84,982.02 is: 127,468.68
Step by Step Solution
- Step 1: Write the proportion equation
284,659.98 : 426,975.39 = 84,982.02 : x - Step 2: Convert to fraction form
284,659.98/426,975.39 = 84,982.02/x - Step 3: Cross multiply
284,659.98x = 426,975.39 × 84,982.02 - Step 4: Simplify right side
284,659.98x = 36,285,231,132.49 - Step 5: Solve for x
x = 36,285,231,132.49/284,659.98 - Step 6: Final answer
x = 127,468.68
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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.