Finding the Fourth Proportional to 438,107.68, 604,563.44 and 247,109.68
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Solution
The fourth proportional to 438,107.68, 604,563.44 and 247,109.68 is: 340,997.17
Step by Step Solution
- Step 1: Write the proportion equation
438,107.68 : 604,563.44 = 247,109.68 : x - Step 2: Convert to fraction form
438,107.68/604,563.44 = 247,109.68/x - Step 3: Cross multiply
438,107.68x = 604,563.44 × 247,109.68 - Step 4: Simplify right side
438,107.68x = 149,393,478,198.10 - Step 5: Solve for x
x = 149,393,478,198.10/438,107.68 - Step 6: Final answer
x = 340,997.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.