Finding the Fourth Proportional to 308,117.33, 461,880.74 and 130,379.84
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Solution
The fourth proportional to 308,117.33, 461,880.74 and 130,379.84 is: 195,444.82
Step by Step Solution
- Step 1: Write the proportion equation
308,117.33 : 461,880.74 = 130,379.84 : x - Step 2: Convert to fraction form
308,117.33/461,880.74 = 130,379.84/x - Step 3: Cross multiply
308,117.33x = 461,880.74 × 130,379.84 - Step 4: Simplify right side
308,117.33x = 60,219,934,996.83 - Step 5: Solve for x
x = 60,219,934,996.83/308,117.33 - Step 6: Final answer
x = 195,444.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.