Finding the Fourth Proportional to 230,903.68, 318,529.68 and 140,235.52
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Solution
The fourth proportional to 230,903.68, 318,529.68 and 140,235.52 is: 193,453.72
Step by Step Solution
- Step 1: Write the proportion equation
230,903.68 : 318,529.68 = 140,235.52 : x - Step 2: Convert to fraction form
230,903.68/318,529.68 = 140,235.52/x - Step 3: Cross multiply
230,903.68x = 318,529.68 × 140,235.52 - Step 4: Simplify right side
230,903.68x = 44,669,175,310.23 - Step 5: Solve for x
x = 44,669,175,310.23/230,903.68 - Step 6: Final answer
x = 193,453.72
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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.