Finding the Fourth Proportional to 226,575.60, 312,698.22 and 129,787.18
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Solution
The fourth proportional to 226,575.60, 312,698.22 and 129,787.18 is: 179,119.99
Step by Step Solution
- Step 1: Write the proportion equation
226,575.60 : 312,698.22 = 129,787.18 : x - Step 2: Convert to fraction form
226,575.60/312,698.22 = 129,787.18/x - Step 3: Cross multiply
226,575.60x = 312,698.22 × 129,787.18 - Step 4: Simplify right side
226,575.60x = 40,584,220,164.82 - Step 5: Solve for x
x = 40,584,220,164.82/226,575.60 - Step 6: Final answer
x = 179,119.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.