Finding the Fourth Proportional to 246,002.20, 368,711.70 and 103,847.20
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Solution
The fourth proportional to 246,002.20, 368,711.70 and 103,847.20 is: 155,647.70
Step by Step Solution
- Step 1: Write the proportion equation
246,002.20 : 368,711.70 = 103,847.20 : x - Step 2: Convert to fraction form
246,002.20/368,711.70 = 103,847.20/x - Step 3: Cross multiply
246,002.20x = 368,711.70 × 103,847.20 - Step 4: Simplify right side
246,002.20x = 38,289,677,652.24 - Step 5: Solve for x
x = 38,289,677,652.24/246,002.20 - Step 6: Final answer
x = 155,647.70
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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.