Finding the Fourth Proportional to 103,858.80, 155,788.11 and 24,972.99
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Solution
The fourth proportional to 103,858.80, 155,788.11 and 24,972.99 is: 37,459.46
Step by Step Solution
- Step 1: Write the proportion equation
103,858.80 : 155,788.11 = 24,972.99 : x - Step 2: Convert to fraction form
103,858.80/155,788.11 = 24,972.99/x - Step 3: Cross multiply
103,858.80x = 155,788.11 × 24,972.99 - Step 4: Simplify right side
103,858.80x = 3,890,494,913.15 - Step 5: Solve for x
x = 3,890,494,913.15/103,858.80 - Step 6: Final answer
x = 37,459.46
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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.