Finding the Fourth Proportional to 296,897.96, 409,708.21 and 160,928.99
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Solution
The fourth proportional to 296,897.96, 409,708.21 and 160,928.99 is: 222,076.06
Step by Step Solution
- Step 1: Write the proportion equation
296,897.96 : 409,708.21 = 160,928.99 : x - Step 2: Convert to fraction form
296,897.96/409,708.21 = 160,928.99/x - Step 3: Cross multiply
296,897.96x = 409,708.21 × 160,928.99 - Step 4: Simplify right side
296,897.96x = 65,933,928,648.04 - Step 5: Solve for x
x = 65,933,928,648.04/296,897.96 - Step 6: Final answer
x = 222,076.06
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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.