Finding the Fourth Proportional to 351,128.44, 526,381.62 and 262,274.68
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Solution
The fourth proportional to 351,128.44, 526,381.62 and 262,274.68 is: 393,179.69
Step by Step Solution
- Step 1: Write the proportion equation
351,128.44 : 526,381.62 = 262,274.68 : x - Step 2: Convert to fraction form
351,128.44/526,381.62 = 262,274.68/x - Step 3: Cross multiply
351,128.44x = 526,381.62 × 262,274.68 - Step 4: Simplify right side
351,128.44x = 138,056,570,943.38 - Step 5: Solve for x
x = 138,056,570,943.38/351,128.44 - Step 6: Final answer
x = 393,179.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.