Finding the Fourth Proportional to 407,107.14, 561,797.00 and 235,019.28
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Solution
The fourth proportional to 407,107.14, 561,797.00 and 235,019.28 is: 324,320.35
Step by Step Solution
- Step 1: Write the proportion equation
407,107.14 : 561,797.00 = 235,019.28 : x - Step 2: Convert to fraction form
407,107.14/561,797.00 = 235,019.28/x - Step 3: Cross multiply
407,107.14x = 561,797.00 × 235,019.28 - Step 4: Simplify right side
407,107.14x = 132,033,128,259.13 - Step 5: Solve for x
x = 132,033,128,259.13/407,107.14 - Step 6: Final answer
x = 324,320.35
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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.