Finding the Fourth Proportional to 262,148.36, 393,299.01 and 104,400.05
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Solution
The fourth proportional to 262,148.36, 393,299.01 and 104,400.05 is: 156,630.52
Step by Step Solution
- Step 1: Write the proportion equation
262,148.36 : 393,299.01 = 104,400.05 : x - Step 2: Convert to fraction form
262,148.36/393,299.01 = 104,400.05/x - Step 3: Cross multiply
262,148.36x = 393,299.01 × 104,400.05 - Step 4: Simplify right side
262,148.36x = 41,060,434,342.46 - Step 5: Solve for x
x = 41,060,434,342.46/262,148.36 - Step 6: Final answer
x = 156,630.52
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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.