Finding the Fourth Proportional to 324,807.14, 489,015.80 and 281,406.12
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Solution
The fourth proportional to 324,807.14, 489,015.80 and 281,406.12 is: 423,673.07
Step by Step Solution
- Step 1: Write the proportion equation
324,807.14 : 489,015.80 = 281,406.12 : x - Step 2: Convert to fraction form
324,807.14/489,015.80 = 281,406.12/x - Step 3: Cross multiply
324,807.14x = 489,015.80 × 281,406.12 - Step 4: Simplify right side
324,807.14x = 137,612,038,896.70 - Step 5: Solve for x
x = 137,612,038,896.70/324,807.14 - Step 6: Final answer
x = 423,673.07
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.