Finding the Fourth Proportional to 361,187.73, 498,442.73 and 217,920.10
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Solution
The fourth proportional to 361,187.73, 498,442.73 and 217,920.10 is: 300,731.95
Step by Step Solution
- Step 1: Write the proportion equation
361,187.73 : 498,442.73 = 217,920.10 : x - Step 2: Convert to fraction form
361,187.73/498,442.73 = 217,920.10/x - Step 3: Cross multiply
361,187.73x = 498,442.73 × 217,920.10 - Step 4: Simplify right side
361,187.73x = 108,620,689,565.87 - Step 5: Solve for x
x = 108,620,689,565.87/361,187.73 - Step 6: Final answer
x = 300,731.95
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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.