Finding the Fourth Proportional to 149,140.88, 205,768.08 and 84,599.48
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Solution
The fourth proportional to 149,140.88, 205,768.08 and 84,599.48 is: 116,721.00
Step by Step Solution
- Step 1: Write the proportion equation
149,140.88 : 205,768.08 = 84,599.48 : x - Step 2: Convert to fraction form
149,140.88/205,768.08 = 84,599.48/x - Step 3: Cross multiply
149,140.88x = 205,768.08 × 84,599.48 - Step 4: Simplify right side
149,140.88x = 17,407,872,568.60 - Step 5: Solve for x
x = 17,407,872,568.60/149,140.88 - Step 6: Final answer
x = 116,721.00
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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.