Finding the Fourth Proportional to 284,706.74, 427,051.80 and 74,344.70
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Solution
The fourth proportional to 284,706.74, 427,051.80 and 74,344.70 is: 111,514.88
Step by Step Solution
- Step 1: Write the proportion equation
284,706.74 : 427,051.80 = 74,344.70 : x - Step 2: Convert to fraction form
284,706.74/427,051.80 = 74,344.70/x - Step 3: Cross multiply
284,706.74x = 427,051.80 × 74,344.70 - Step 4: Simplify right side
284,706.74x = 31,749,037,955.46 - Step 5: Solve for x
x = 31,749,037,955.46/284,706.74 - Step 6: Final answer
x = 111,514.88
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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.