Finding the Fourth Proportional to 317,817.79, 476,477.44 and 149,251.36
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Solution
The fourth proportional to 317,817.79, 476,477.44 and 149,251.36 is: 223,759.99
Step by Step Solution
- Step 1: Write the proportion equation
317,817.79 : 476,477.44 = 149,251.36 : x - Step 2: Convert to fraction form
317,817.79/476,477.44 = 149,251.36/x - Step 3: Cross multiply
317,817.79x = 476,477.44 × 149,251.36 - Step 4: Simplify right side
317,817.79x = 71,114,904,365.00 - Step 5: Solve for x
x = 71,114,904,365.00/317,817.79 - Step 6: Final answer
x = 223,759.99
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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.