Finding the Fourth Proportional to 67,652.64, 101,451.15 and 20,250.99
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Solution
The fourth proportional to 67,652.64, 101,451.15 and 20,250.99 is: 30,368.16
Step by Step Solution
- Step 1: Write the proportion equation
67,652.64 : 101,451.15 = 20,250.99 : x - Step 2: Convert to fraction form
67,652.64/101,451.15 = 20,250.99/x - Step 3: Cross multiply
67,652.64x = 101,451.15 × 20,250.99 - Step 4: Simplify right side
67,652.64x = 2,054,486,224.14 - Step 5: Solve for x
x = 2,054,486,224.14/67,652.64 - Step 6: Final answer
x = 30,368.16
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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.