Finding the Fourth Proportional to 262,467.20, 362,204.64 and 143,235.20
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Solution
The fourth proportional to 262,467.20, 362,204.64 and 143,235.20 is: 197,664.52
Step by Step Solution
- Step 1: Write the proportion equation
262,467.20 : 362,204.64 = 143,235.20 : x - Step 2: Convert to fraction form
262,467.20/362,204.64 = 143,235.20/x - Step 3: Cross multiply
262,467.20x = 362,204.64 × 143,235.20 - Step 4: Simplify right side
262,467.20x = 51,880,454,051.33 - Step 5: Solve for x
x = 51,880,454,051.33/262,467.20 - Step 6: Final answer
x = 197,664.52
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1.5x scale
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.