Finding the Fourth Proportional to 783,174.38, 1,174,762.60 and 214,560.47
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Solution
The fourth proportional to 783,174.38, 1,174,762.60 and 214,560.47 is: 321,840.99
Step by Step Solution
- Step 1: Write the proportion equation
783,174.38 : 1,174,762.60 = 214,560.47 : x - Step 2: Convert to fraction form
783,174.38/1,174,762.60 = 214,560.47/x - Step 3: Cross multiply
783,174.38x = 1,174,762.60 × 214,560.47 - Step 4: Simplify right side
783,174.38x = 252,057,617,994.93 - Step 5: Solve for x
x = 252,057,617,994.93/783,174.38 - Step 6: Final answer
x = 321,840.99
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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.