Finding the Fourth Proportional to 626,331.85, 939,037.68 and 199,622.14
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Solution
The fourth proportional to 626,331.85, 939,037.68 and 199,622.14 is: 299,286.57
Step by Step Solution
- Step 1: Write the proportion equation
626,331.85 : 939,037.68 = 199,622.14 : x - Step 2: Convert to fraction form
626,331.85/939,037.68 = 199,622.14/x - Step 3: Cross multiply
626,331.85x = 939,037.68 × 199,622.14 - Step 4: Simplify right side
626,331.85x = 187,452,711,222.24 - Step 5: Solve for x
x = 187,452,711,222.24/626,331.85 - Step 6: Final answer
x = 299,286.57
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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.