Finding the Fourth Proportional to 99,791.41, 149,670.10 and 33,223.99
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Solution
The fourth proportional to 99,791.41, 149,670.10 and 33,223.99 is: 49,830.32
Step by Step Solution
- Step 1: Write the proportion equation
99,791.41 : 149,670.10 = 33,223.99 : x - Step 2: Convert to fraction form
99,791.41/149,670.10 = 33,223.99/x - Step 3: Cross multiply
99,791.41x = 149,670.10 × 33,223.99 - Step 4: Simplify right side
99,791.41x = 4,972,637,905.70 - Step 5: Solve for x
x = 4,972,637,905.70/99,791.41 - Step 6: Final answer
x = 49,830.32
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1.5x scale
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.