Finding the Fourth Proportional to 434,462.90, 650,845.89 and 206,433.99
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Solution
The fourth proportional to 434,462.90, 650,845.89 and 206,433.99 is: 309,247.84
Step by Step Solution
- Step 1: Write the proportion equation
434,462.90 : 650,845.89 = 206,433.99 : x - Step 2: Convert to fraction form
434,462.90/650,845.89 = 206,433.99/x - Step 3: Cross multiply
434,462.90x = 650,845.89 × 206,433.99 - Step 4: Simplify right side
434,462.90x = 134,356,713,947.80 - Step 5: Solve for x
x = 134,356,713,947.80/434,462.90 - Step 6: Final answer
x = 309,247.84
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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.