Finding the Fourth Proportional to 201,372.76, 277,956.36 and 129,752.56
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Solution
The fourth proportional to 201,372.76, 277,956.36 and 129,752.56 is: 179,098.45
Step by Step Solution
- Step 1: Write the proportion equation
201,372.76 : 277,956.36 = 129,752.56 : x - Step 2: Convert to fraction form
201,372.76/277,956.36 = 129,752.56/x - Step 3: Cross multiply
201,372.76x = 277,956.36 × 129,752.56 - Step 4: Simplify right side
201,372.76x = 36,065,549,278.28 - Step 5: Solve for x
x = 36,065,549,278.28/201,372.76 - Step 6: Final answer
x = 179,098.45
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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.