Finding the Fourth Proportional to 103,562.20, 155,352.18 and 44,383.80
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Solution
The fourth proportional to 103,562.20, 155,352.18 and 44,383.80 is: 66,579.50
Step by Step Solution
- Step 1: Write the proportion equation
103,562.20 : 155,352.18 = 44,383.80 : x - Step 2: Convert to fraction form
103,562.20/155,352.18 = 44,383.80/x - Step 3: Cross multiply
103,562.20x = 155,352.18 × 44,383.80 - Step 4: Simplify right side
103,562.20x = 6,895,119,712.18 - Step 5: Solve for x
x = 6,895,119,712.18/103,562.20 - Step 6: Final answer
x = 66,579.50
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1.5x scale
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.