Finding the Fourth Proportional to 149,073.33, 205,720.19 and 84,555.12
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Solution
The fourth proportional to 149,073.33, 205,720.19 and 84,555.12 is: 116,685.50
Step by Step Solution
- Step 1: Write the proportion equation
149,073.33 : 205,720.19 = 84,555.12 : x - Step 2: Convert to fraction form
149,073.33/205,720.19 = 84,555.12/x - Step 3: Cross multiply
149,073.33x = 205,720.19 × 84,555.12 - Step 4: Simplify right side
149,073.33x = 17,394,696,255.44 - Step 5: Solve for x
x = 17,394,696,255.44/149,073.33 - Step 6: Final answer
x = 116,685.50
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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.