Finding the Fourth Proportional to 298,759.40, 412,282.62 and 162,794.52
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Solution
The fourth proportional to 298,759.40, 412,282.62 and 162,794.52 is: 224,653.53
Step by Step Solution
- Step 1: Write the proportion equation
298,759.40 : 412,282.62 = 162,794.52 : x - Step 2: Convert to fraction form
298,759.40/412,282.62 = 162,794.52/x - Step 3: Cross multiply
298,759.40x = 412,282.62 × 162,794.52 - Step 4: Simplify right side
298,759.40x = 67,117,351,227.24 - Step 5: Solve for x
x = 67,117,351,227.24/298,759.40 - Step 6: Final answer
x = 224,653.53
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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.