Finding the Fourth Proportional to 122,418.74, 183,628.92 and 33,681.62
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Solution
The fourth proportional to 122,418.74, 183,628.92 and 33,681.62 is: 50,522.65
Step by Step Solution
- Step 1: Write the proportion equation
122,418.74 : 183,628.92 = 33,681.62 : x - Step 2: Convert to fraction form
122,418.74/183,628.92 = 33,681.62/x - Step 3: Cross multiply
122,418.74x = 183,628.92 × 33,681.62 - Step 4: Simplify right side
122,418.74x = 6,184,919,504.45 - Step 5: Solve for x
x = 6,184,919,504.45/122,418.74 - Step 6: Final answer
x = 50,522.65
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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.