Finding the Fourth Proportional to 311,941.94, 430,447.50 and 230,313.58
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Solution
The fourth proportional to 311,941.94, 430,447.50 and 230,313.58 is: 317,808.84
Step by Step Solution
- Step 1: Write the proportion equation
311,941.94 : 430,447.50 = 230,313.58 : x - Step 2: Convert to fraction form
311,941.94/430,447.50 = 230,313.58/x - Step 3: Cross multiply
311,941.94x = 430,447.50 × 230,313.58 - Step 4: Simplify right side
311,941.94x = 99,137,903,650.93 - Step 5: Solve for x
x = 99,137,903,650.93/311,941.94 - Step 6: Final answer
x = 317,808.84
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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.