Finding the Fourth Proportional to 442,991.80, 664,487.70 and 303,023.80
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Solution
The fourth proportional to 442,991.80, 664,487.70 and 303,023.80 is: 454,535.70
Step by Step Solution
- Step 1: Write the proportion equation
442,991.80 : 664,487.70 = 303,023.80 : x - Step 2: Convert to fraction form
442,991.80/664,487.70 = 303,023.80/x - Step 3: Cross multiply
442,991.80x = 664,487.70 × 303,023.80 - Step 4: Simplify right side
442,991.80x = 201,355,587,907.26 - Step 5: Solve for x
x = 201,355,587,907.26/442,991.80 - Step 6: Final answer
x = 454,535.70
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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.