Finding the Fourth Proportional to 262,643.10, 362,420.49 and 147,903.49
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Solution
The fourth proportional to 262,643.10, 362,420.49 and 147,903.49 is: 204,091.62
Step by Step Solution
- Step 1: Write the proportion equation
262,643.10 : 362,420.49 = 147,903.49 : x - Step 2: Convert to fraction form
262,643.10/362,420.49 = 147,903.49/x - Step 3: Cross multiply
262,643.10x = 362,420.49 × 147,903.49 - Step 4: Simplify right side
262,643.10x = 53,603,255,318.51 - Step 5: Solve for x
x = 53,603,255,318.51/262,643.10 - Step 6: Final answer
x = 204,091.62
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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.