Finding the Fourth Proportional to 200,215.14, 300,349.14 and 73,944.15
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Solution
The fourth proportional to 200,215.14, 300,349.14 and 73,944.15 is: 110,925.99
Step by Step Solution
- Step 1: Write the proportion equation
200,215.14 : 300,349.14 = 73,944.15 : x - Step 2: Convert to fraction form
200,215.14/300,349.14 = 73,944.15/x - Step 3: Cross multiply
200,215.14x = 300,349.14 × 73,944.15 - Step 4: Simplify right side
200,215.14x = 22,209,061,860.53 - Step 5: Solve for x
x = 22,209,061,860.53/200,215.14 - Step 6: Final answer
x = 110,925.99
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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.