Finding the Fourth Proportional to 400,921.74, 601,580.19 and 187,704.08
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Solution
The fourth proportional to 400,921.74, 601,580.19 and 187,704.08 is: 281,648.62
Step by Step Solution
- Step 1: Write the proportion equation
400,921.74 : 601,580.19 = 187,704.08 : x - Step 2: Convert to fraction form
400,921.74/601,580.19 = 187,704.08/x - Step 3: Cross multiply
400,921.74x = 601,580.19 × 187,704.08 - Step 4: Simplify right side
400,921.74x = 112,919,056,062.09 - Step 5: Solve for x
x = 112,919,056,062.09/400,921.74 - Step 6: Final answer
x = 281,648.62
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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.