Finding the Fourth Proportional to 292,455.27, 438,759.45 and 102,907.98
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Solution
The fourth proportional to 292,455.27, 438,759.45 and 102,907.98 is: 154,388.90
Step by Step Solution
- Step 1: Write the proportion equation
292,455.27 : 438,759.45 = 102,907.98 : x - Step 2: Convert to fraction form
292,455.27/438,759.45 = 102,907.98/x - Step 3: Cross multiply
292,455.27x = 438,759.45 × 102,907.98 - Step 4: Simplify right side
292,455.27x = 45,151,848,705.41 - Step 5: Solve for x
x = 45,151,848,705.41/292,455.27 - Step 6: Final answer
x = 154,388.90
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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.