Finding the Fourth Proportional to 201,824.76, 278,518.24 and 116,991.02
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Solution
The fourth proportional to 201,824.76, 278,518.24 and 116,991.02 is: 161,447.65
Step by Step Solution
- Step 1: Write the proportion equation
201,824.76 : 278,518.24 = 116,991.02 : x - Step 2: Convert to fraction form
201,824.76/278,518.24 = 116,991.02/x - Step 3: Cross multiply
201,824.76x = 278,518.24 × 116,991.02 - Step 4: Simplify right side
201,824.76x = 32,584,132,986.20 - Step 5: Solve for x
x = 32,584,132,986.20/201,824.76 - Step 6: Final answer
x = 161,447.65
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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.