Finding the Fourth Proportional to 201,771.47, 278,377.98 and 130,199.06
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Solution
The fourth proportional to 201,771.47, 278,377.98 and 130,199.06 is: 179,631.70
Step by Step Solution
- Step 1: Write the proportion equation
201,771.47 : 278,377.98 = 130,199.06 : x - Step 2: Convert to fraction form
201,771.47/278,377.98 = 130,199.06/x - Step 3: Cross multiply
201,771.47x = 278,377.98 × 130,199.06 - Step 4: Simplify right side
201,771.47x = 36,244,551,320.70 - Step 5: Solve for x
x = 36,244,551,320.70/201,771.47 - Step 6: Final answer
x = 179,631.70
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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.