Finding the Fourth Proportional to 323,084.21, 484,626.44 and 145,383.63
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Solution
The fourth proportional to 323,084.21, 484,626.44 and 145,383.63 is: 218,075.50
Step by Step Solution
- Step 1: Write the proportion equation
323,084.21 : 484,626.44 = 145,383.63 : x - Step 2: Convert to fraction form
323,084.21/484,626.44 = 145,383.63/x - Step 3: Cross multiply
323,084.21x = 484,626.44 × 145,383.63 - Step 4: Simplify right side
323,084.21x = 70,456,750,314.26 - Step 5: Solve for x
x = 70,456,750,314.26/323,084.21 - Step 6: Final answer
x = 218,075.50
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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.