Finding the Fourth Proportional to 246,655.59, 340,382.70 and 139,224.75
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Solution
The fourth proportional to 246,655.59, 340,382.70 and 139,224.75 is: 192,129.02
Step by Step Solution
- Step 1: Write the proportion equation
246,655.59 : 340,382.70 = 139,224.75 : x - Step 2: Convert to fraction form
246,655.59/340,382.70 = 139,224.75/x - Step 3: Cross multiply
246,655.59x = 340,382.70 × 139,224.75 - Step 4: Simplify right side
246,655.59x = 47,389,696,311.83 - Step 5: Solve for x
x = 47,389,696,311.83/246,655.59 - Step 6: Final answer
x = 192,129.02
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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.