Finding the Fourth Proportional to 149,110.84, 205,694.58 and 88,638.49
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Solution
The fourth proportional to 149,110.84, 205,694.58 and 88,638.49 is: 122,274.52
Step by Step Solution
- Step 1: Write the proportion equation
149,110.84 : 205,694.58 = 88,638.49 : x - Step 2: Convert to fraction form
149,110.84/205,694.58 = 88,638.49/x - Step 3: Cross multiply
149,110.84x = 205,694.58 × 88,638.49 - Step 4: Simplify right side
149,110.84x = 18,232,456,972.38 - Step 5: Solve for x
x = 18,232,456,972.38/149,110.84 - Step 6: Final answer
x = 122,274.52
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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.