Finding the Fourth Proportional to 246,696.06, 340,438.14 and 139,263.78
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Solution
The fourth proportional to 246,696.06, 340,438.14 and 139,263.78 is: 192,182.65
Step by Step Solution
- Step 1: Write the proportion equation
246,696.06 : 340,438.14 = 139,263.78 : x - Step 2: Convert to fraction form
246,696.06/340,438.14 = 139,263.78/x - Step 3: Cross multiply
246,696.06x = 340,438.14 × 139,263.78 - Step 4: Simplify right side
246,696.06x = 47,410,702,232.57 - Step 5: Solve for x
x = 47,410,702,232.57/246,696.06 - Step 6: Final answer
x = 192,182.65
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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.