Finding the Fourth Proportional to 591,367.16, 816,086.99 and 319,435.05
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Solution
The fourth proportional to 591,367.16, 816,086.99 and 319,435.05 is: 440,820.53
Step by Step Solution
- Step 1: Write the proportion equation
591,367.16 : 816,086.99 = 319,435.05 : x - Step 2: Convert to fraction form
591,367.16/816,086.99 = 319,435.05/x - Step 3: Cross multiply
591,367.16x = 816,086.99 × 319,435.05 - Step 4: Simplify right side
591,367.16x = 260,686,785,793.97 - Step 5: Solve for x
x = 260,686,785,793.97/591,367.16 - Step 6: Final answer
x = 440,820.53
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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.