Finding the Fourth Proportional to 347,722.80, 521,584.19 and 189,865.14
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Solution
The fourth proportional to 347,722.80, 521,584.19 and 189,865.14 is: 284,797.70
Step by Step Solution
- Step 1: Write the proportion equation
347,722.80 : 521,584.19 = 189,865.14 : x - Step 2: Convert to fraction form
347,722.80/521,584.19 = 189,865.14/x - Step 3: Cross multiply
347,722.80x = 521,584.19 × 189,865.14 - Step 4: Simplify right side
347,722.80x = 99,030,655,256.14 - Step 5: Solve for x
x = 99,030,655,256.14/347,722.80 - Step 6: Final answer
x = 284,797.70
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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.