Finding the Fourth Proportional to 202,491.71, 279,441.50 and 117,608.76
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Solution
The fourth proportional to 202,491.71, 279,441.50 and 117,608.76 is: 162,301.80
Step by Step Solution
- Step 1: Write the proportion equation
202,491.71 : 279,441.50 = 117,608.76 : x - Step 2: Convert to fraction form
202,491.71/279,441.50 = 117,608.76/x - Step 3: Cross multiply
202,491.71x = 279,441.50 × 117,608.76 - Step 4: Simplify right side
202,491.71x = 32,864,767,719.50 - Step 5: Solve for x
x = 32,864,767,719.50/202,491.71 - Step 6: Final answer
x = 162,301.80
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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.