Finding the Fourth Proportional to 370,408.50, 511,201.58 and 267,128.02
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Solution
The fourth proportional to 370,408.50, 511,201.58 and 267,128.02 is: 368,663.96
Step by Step Solution
- Step 1: Write the proportion equation
370,408.50 : 511,201.58 = 267,128.02 : x - Step 2: Convert to fraction form
370,408.50/511,201.58 = 267,128.02/x - Step 3: Cross multiply
370,408.50x = 511,201.58 × 267,128.02 - Step 4: Simplify right side
370,408.50x = 136,556,265,886.27 - Step 5: Solve for x
x = 136,556,265,886.27/370,408.50 - Step 6: Final answer
x = 368,663.96
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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.