Finding the Fourth Proportional to 483,589.70, 667,162.70 and 279,603.26
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Solution
The fourth proportional to 483,589.70, 667,162.70 and 279,603.26 is: 385,742.02
Step by Step Solution
- Step 1: Write the proportion equation
483,589.70 : 667,162.70 = 279,603.26 : x - Step 2: Convert to fraction form
483,589.70/667,162.70 = 279,603.26/x - Step 3: Cross multiply
483,589.70x = 667,162.70 × 279,603.26 - Step 4: Simplify right side
483,589.70x = 186,540,865,870.40 - Step 5: Solve for x
x = 186,540,865,870.40/483,589.70 - Step 6: Final answer
x = 385,742.02
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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.