Finding the Fourth Proportional to 783,147.99, 1,174,722.99 and 214,534.08
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Solution
The fourth proportional to 783,147.99, 1,174,722.99 and 214,534.08 is: 321,801.40
Step by Step Solution
- Step 1: Write the proportion equation
783,147.99 : 1,174,722.99 = 214,534.08 : x - Step 2: Convert to fraction form
783,147.99/1,174,722.99 = 214,534.08/x - Step 3: Cross multiply
783,147.99x = 1,174,722.99 × 214,534.08 - Step 4: Simplify right side
783,147.99x = 252,018,115,914.50 - Step 5: Solve for x
x = 252,018,115,914.50/783,147.99 - Step 6: Final answer
x = 321,801.40
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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.