Finding the Fourth Proportional to 104,907.99, 157,400.88 and 48,778.23
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Solution
The fourth proportional to 104,907.99, 157,400.88 and 48,778.23 is: 73,185.43
Step by Step Solution
- Step 1: Write the proportion equation
104,907.99 : 157,400.88 = 48,778.23 : x - Step 2: Convert to fraction form
104,907.99/157,400.88 = 48,778.23/x - Step 3: Cross multiply
104,907.99x = 157,400.88 × 48,778.23 - Step 4: Simplify right side
104,907.99x = 7,677,736,326.84 - Step 5: Solve for x
x = 7,677,736,326.84/104,907.99 - Step 6: Final answer
x = 73,185.43
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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.