Finding the Fourth Proportional to 262,145.49, 392,372.45 and 135,611.49
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Solution
The fourth proportional to 262,145.49, 392,372.45 and 135,611.49 is: 202,979.70
Step by Step Solution
- Step 1: Write the proportion equation
262,145.49 : 392,372.45 = 135,611.49 : x - Step 2: Convert to fraction form
262,145.49/392,372.45 = 135,611.49/x - Step 3: Cross multiply
262,145.49x = 392,372.45 × 135,611.49 - Step 4: Simplify right side
262,145.49x = 53,210,212,579.45 - Step 5: Solve for x
x = 53,210,212,579.45/262,145.49 - Step 6: Final answer
x = 202,979.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.