Finding the Fourth Proportional to 213,018.66, 293,873.57 and 122,353.84
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Solution
The fourth proportional to 213,018.66, 293,873.57 and 122,353.84 is: 168,795.35
Step by Step Solution
- Step 1: Write the proportion equation
213,018.66 : 293,873.57 = 122,353.84 : x - Step 2: Convert to fraction form
213,018.66/293,873.57 = 122,353.84/x - Step 3: Cross multiply
213,018.66x = 293,873.57 × 122,353.84 - Step 4: Simplify right side
213,018.66x = 35,956,559,978.41 - Step 5: Solve for x
x = 35,956,559,978.41/213,018.66 - Step 6: Final answer
x = 168,795.35
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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.