Finding the Fourth Proportional to 68,958.68, 103,437.99 and 22,211.55
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Solution
The fourth proportional to 68,958.68, 103,437.99 and 22,211.55 is: 33,317.32
Step by Step Solution
- Step 1: Write the proportion equation
68,958.68 : 103,437.99 = 22,211.55 : x - Step 2: Convert to fraction form
68,958.68/103,437.99 = 22,211.55/x - Step 3: Cross multiply
68,958.68x = 103,437.99 × 22,211.55 - Step 4: Simplify right side
68,958.68x = 2,297,518,086.78 - Step 5: Solve for x
x = 2,297,518,086.78/68,958.68 - Step 6: Final answer
x = 33,317.32
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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.