Finding the Fourth Proportional to 669,107.60, 923,364.56 and 363,190.08
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Solution
The fourth proportional to 669,107.60, 923,364.56 and 363,190.08 is: 501,200.18
Step by Step Solution
- Step 1: Write the proportion equation
669,107.60 : 923,364.56 = 363,190.08 : x - Step 2: Convert to fraction form
669,107.60/923,364.56 = 363,190.08/x - Step 3: Cross multiply
669,107.60x = 923,364.56 × 363,190.08 - Step 4: Simplify right side
669,107.60x = 335,356,848,415.57 - Step 5: Solve for x
x = 335,356,848,415.57/669,107.60 - Step 6: Final answer
x = 501,200.18
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1.5x scale
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.