Finding the Fourth Proportional to 850,187.88, 1,275,237.74 and 317,666.84
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Solution
The fourth proportional to 850,187.88, 1,275,237.74 and 317,666.84 is: 476,483.79
Step by Step Solution
- Step 1: Write the proportion equation
850,187.88 : 1,275,237.74 = 317,666.84 : x - Step 2: Convert to fraction form
850,187.88/1,275,237.74 = 317,666.84/x - Step 3: Cross multiply
850,187.88x = 1,275,237.74 × 317,666.84 - Step 4: Simplify right side
850,187.88x = 405,100,743,114.54 - Step 5: Solve for x
x = 405,100,743,114.54/850,187.88 - Step 6: Final answer
x = 476,483.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.