Finding the Fourth Proportional to 284,554.30, 426,853.05 and 84,859.06
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Solution
The fourth proportional to 284,554.30, 426,853.05 and 84,859.06 is: 127,295.03
Step by Step Solution
- Step 1: Write the proportion equation
284,554.30 : 426,853.05 = 84,859.06 : x - Step 2: Convert to fraction form
284,554.30/426,853.05 = 84,859.06/x - Step 3: Cross multiply
284,554.30x = 426,853.05 × 84,859.06 - Step 4: Simplify right side
284,554.30x = 36,222,348,581.13 - Step 5: Solve for x
x = 36,222,348,581.13/284,554.30 - Step 6: Final answer
x = 127,295.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.