Finding the Fourth Proportional to 483,278.99, 666,906.56 and 268,432.84
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Solution
The fourth proportional to 483,278.99, 666,906.56 and 268,432.84 is: 370,427.07
Step by Step Solution
- Step 1: Write the proportion equation
483,278.99 : 666,906.56 = 268,432.84 : x - Step 2: Convert to fraction form
483,278.99/666,906.56 = 268,432.84/x - Step 3: Cross multiply
483,278.99x = 666,906.56 × 268,432.84 - Step 4: Simplify right side
483,278.99x = 179,019,621,915.43 - Step 5: Solve for x
x = 179,019,621,915.43/483,278.99 - Step 6: Final answer
x = 370,427.07
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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.