Finding the Fourth Proportional to 68,147.84, 102,221.68 and 18,899.84
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Solution
The fourth proportional to 68,147.84, 102,221.68 and 18,899.84 is: 28,349.74
Step by Step Solution
- Step 1: Write the proportion equation
68,147.84 : 102,221.68 = 18,899.84 : x - Step 2: Convert to fraction form
68,147.84/102,221.68 = 18,899.84/x - Step 3: Cross multiply
68,147.84x = 102,221.68 × 18,899.84 - Step 4: Simplify right side
68,147.84x = 1,931,973,396.53 - Step 5: Solve for x
x = 1,931,973,396.53/68,147.84 - Step 6: Final answer
x = 28,349.74
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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.