Finding the Fourth Proportional to 477,644.74, 659,149.71 and 262,780.19
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Solution
The fourth proportional to 477,644.74, 659,149.71 and 262,780.19 is: 362,636.65
Step by Step Solution
- Step 1: Write the proportion equation
477,644.74 : 659,149.71 = 262,780.19 : x - Step 2: Convert to fraction form
477,644.74/659,149.71 = 262,780.19/x - Step 3: Cross multiply
477,644.74x = 659,149.71 × 262,780.19 - Step 4: Simplify right side
477,644.74x = 173,211,486,032.25 - Step 5: Solve for x
x = 173,211,486,032.25/477,644.74 - Step 6: Final answer
x = 362,636.65
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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.