Finding the Fourth Proportional to 340,535.68, 469,942.32 and 189,635.68
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Solution
The fourth proportional to 340,535.68, 469,942.32 and 189,635.68 is: 261,698.95
Step by Step Solution
- Step 1: Write the proportion equation
340,535.68 : 469,942.32 = 189,635.68 : x - Step 2: Convert to fraction form
340,535.68/469,942.32 = 189,635.68/x - Step 3: Cross multiply
340,535.68x = 469,942.32 × 189,635.68 - Step 4: Simplify right side
340,535.68x = 89,117,831,413.98 - Step 5: Solve for x
x = 89,117,831,413.98/340,535.68 - Step 6: Final answer
x = 261,698.95
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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.