Finding the Fourth Proportional to 290,170.53, 399,776.63 and 224,533.68
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Solution
The fourth proportional to 290,170.53, 399,776.63 and 224,533.68 is: 309,346.78
Step by Step Solution
- Step 1: Write the proportion equation
290,170.53 : 399,776.63 = 224,533.68 : x - Step 2: Convert to fraction form
290,170.53/399,776.63 = 224,533.68/x - Step 3: Cross multiply
290,170.53x = 399,776.63 × 224,533.68 - Step 4: Simplify right side
290,170.53x = 89,763,317,911.90 - Step 5: Solve for x
x = 89,763,317,911.90/290,170.53 - Step 6: Final answer
x = 309,346.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.