Finding the Fourth Proportional to 246,655.94, 340,378.00 and 139,235.96
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Solution
The fourth proportional to 246,655.94, 340,378.00 and 139,235.96 is: 192,141.57
Step by Step Solution
- Step 1: Write the proportion equation
246,655.94 : 340,378.00 = 139,235.96 : x - Step 2: Convert to fraction form
246,655.94/340,378.00 = 139,235.96/x - Step 3: Cross multiply
246,655.94x = 340,378.00 × 139,235.96 - Step 4: Simplify right side
246,655.94x = 47,392,858,095.74 - Step 5: Solve for x
x = 47,392,858,095.74/246,655.94 - Step 6: Final answer
x = 192,141.57
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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.