Finding the Fourth Proportional to 246,901.06, 340,751.19 and 139,478.05
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Solution
The fourth proportional to 246,901.06, 340,751.19 and 139,478.05 is: 192,495.37
Step by Step Solution
- Step 1: Write the proportion equation
246,901.06 : 340,751.19 = 139,478.05 : x - Step 2: Convert to fraction form
246,901.06/340,751.19 = 139,478.05/x - Step 3: Cross multiply
246,901.06x = 340,751.19 × 139,478.05 - Step 4: Simplify right side
246,901.06x = 47,527,309,115.23 - Step 5: Solve for x
x = 47,527,309,115.23/246,901.06 - Step 6: Final answer
x = 192,495.37
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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.