Finding the Fourth Proportional to 122,278.85, 183,418.28 and 107,844.65
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Solution
The fourth proportional to 122,278.85, 183,418.28 and 107,844.65 is: 161,766.98
Step by Step Solution
- Step 1: Write the proportion equation
122,278.85 : 183,418.28 = 107,844.65 : x - Step 2: Convert to fraction form
122,278.85/183,418.28 = 107,844.65/x - Step 3: Cross multiply
122,278.85x = 183,418.28 × 107,844.65 - Step 4: Simplify right side
122,278.85x = 19,780,679,670.98 - Step 5: Solve for x
x = 19,780,679,670.98/122,278.85 - Step 6: Final answer
x = 161,766.98
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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.