Finding the Fourth Proportional to 262,121.14, 392,893.91 and 149,555.95
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Solution
The fourth proportional to 262,121.14, 392,893.91 and 149,555.95 is: 224,169.71
Step by Step Solution
- Step 1: Write the proportion equation
262,121.14 : 392,893.91 = 149,555.95 : x - Step 2: Convert to fraction form
262,121.14/392,893.91 = 149,555.95/x - Step 3: Cross multiply
262,121.14x = 392,893.91 × 149,555.95 - Step 4: Simplify right side
262,121.14x = 58,759,619,247.02 - Step 5: Solve for x
x = 58,759,619,247.02/262,121.14 - Step 6: Final answer
x = 224,169.71
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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.