Finding the Fourth Proportional to 326,197.32, 450,153.12 and 190,324.68
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Solution
The fourth proportional to 326,197.32, 450,153.12 and 190,324.68 is: 262,648.54
Step by Step Solution
- Step 1: Write the proportion equation
326,197.32 : 450,153.12 = 190,324.68 : x - Step 2: Convert to fraction form
326,197.32/450,153.12 = 190,324.68/x - Step 3: Cross multiply
326,197.32x = 450,153.12 × 190,324.68 - Step 4: Simplify right side
326,197.32x = 85,675,248,515.00 - Step 5: Solve for x
x = 85,675,248,515.00/326,197.32 - Step 6: Final answer
x = 262,648.54
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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.