Finding the Fourth Proportional to 394,622.74, 591,750.08 and 205,032.14
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Solution
The fourth proportional to 394,622.74, 591,750.08 and 205,032.14 is: 307,452.59
Step by Step Solution
- Step 1: Write the proportion equation
394,622.74 : 591,750.08 = 205,032.14 : x - Step 2: Convert to fraction form
394,622.74/591,750.08 = 205,032.14/x - Step 3: Cross multiply
394,622.74x = 591,750.08 × 205,032.14 - Step 4: Simplify right side
394,622.74x = 121,327,784,251.59 - Step 5: Solve for x
x = 121,327,784,251.59/394,622.74 - Step 6: Final answer
x = 307,452.59
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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.