Finding the Fourth Proportional to 269,023.05, 371,237.58 and 154,295.73
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Solution
The fourth proportional to 269,023.05, 371,237.58 and 154,295.73 is: 212,919.95
Step by Step Solution
- Step 1: Write the proportion equation
269,023.05 : 371,237.58 = 154,295.73 : x - Step 2: Convert to fraction form
269,023.05/371,237.58 = 154,295.73/x - Step 3: Cross multiply
269,023.05x = 371,237.58 × 154,295.73 - Step 4: Simplify right side
269,023.05x = 57,280,373,409.53 - Step 5: Solve for x
x = 57,280,373,409.53/269,023.05 - Step 6: Final answer
x = 212,919.95
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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.