Finding the Fourth Proportional to 205,954.20, 284,240.74 and 125,428.92
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Solution
The fourth proportional to 205,954.20, 284,240.74 and 125,428.92 is: 173,106.49
Step by Step Solution
- Step 1: Write the proportion equation
205,954.20 : 284,240.74 = 125,428.92 : x - Step 2: Convert to fraction form
205,954.20/284,240.74 = 125,428.92/x - Step 3: Cross multiply
205,954.20x = 284,240.74 × 125,428.92 - Step 4: Simplify right side
205,954.20x = 35,652,009,038.20 - Step 5: Solve for x
x = 35,652,009,038.20/205,954.20 - Step 6: Final answer
x = 173,106.49
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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.