Finding the Fourth Proportional to 338,919.73, 467,746.11 and 216,524.05
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Solution
The fourth proportional to 338,919.73, 467,746.11 and 216,524.05 is: 298,826.75
Step by Step Solution
- Step 1: Write the proportion equation
338,919.73 : 467,746.11 = 216,524.05 : x - Step 2: Convert to fraction form
338,919.73/467,746.11 = 216,524.05/x - Step 3: Cross multiply
338,919.73x = 467,746.11 × 216,524.05 - Step 4: Simplify right side
338,919.73x = 101,278,280,683.89 - Step 5: Solve for x
x = 101,278,280,683.89/338,919.73 - Step 6: Final answer
x = 298,826.75
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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.