Finding the Fourth Proportional to 278,170.56, 383,881.95 and 169,237.44
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Solution
The fourth proportional to 278,170.56, 383,881.95 and 169,237.44 is: 233,551.67
Step by Step Solution
- Step 1: Write the proportion equation
278,170.56 : 383,881.95 = 169,237.44 : x - Step 2: Convert to fraction form
278,170.56/383,881.95 = 169,237.44/x - Step 3: Cross multiply
278,170.56x = 383,881.95 × 169,237.44 - Step 4: Simplify right side
278,170.56x = 64,967,198,480.21 - Step 5: Solve for x
x = 64,967,198,480.21/278,170.56 - Step 6: Final answer
x = 233,551.67
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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.