Finding the Fourth Proportional to 398,896.22, 598,339.74 and 114,593.75
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Solution
The fourth proportional to 398,896.22, 598,339.74 and 114,593.75 is: 171,889.31
Step by Step Solution
- Step 1: Write the proportion equation
398,896.22 : 598,339.74 = 114,593.75 : x - Step 2: Convert to fraction form
398,896.22/598,339.74 = 114,593.75/x - Step 3: Cross multiply
398,896.22x = 598,339.74 × 114,593.75 - Step 4: Simplify right side
398,896.22x = 68,565,994,580.63 - Step 5: Solve for x
x = 68,565,994,580.63/398,896.22 - Step 6: Final answer
x = 171,889.31
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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.