Finding the Fourth Proportional to 296,765.62, 445,593.12 and 256,907.55
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Solution
The fourth proportional to 296,765.62, 445,593.12 and 256,907.55 is: 385,746.28
Step by Step Solution
- Step 1: Write the proportion equation
296,765.62 : 445,593.12 = 256,907.55 : x - Step 2: Convert to fraction form
296,765.62/445,593.12 = 256,907.55/x - Step 3: Cross multiply
296,765.62x = 445,593.12 × 256,907.55 - Step 4: Simplify right side
296,765.62x = 114,476,234,528.09 - Step 5: Solve for x
x = 114,476,234,528.09/296,765.62 - Step 6: Final answer
x = 385,746.28
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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.