Finding the Fourth Proportional to 504,431.16, 696,104.71 and 278,076.66
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Solution
The fourth proportional to 504,431.16, 696,104.71 and 278,076.66 is: 383,740.12
Step by Step Solution
- Step 1: Write the proportion equation
504,431.16 : 696,104.71 = 278,076.66 : x - Step 2: Convert to fraction form
504,431.16/696,104.71 = 278,076.66/x - Step 3: Cross multiply
504,431.16x = 696,104.71 × 278,076.66 - Step 4: Simplify right side
504,431.16x = 193,570,472,767.07 - Step 5: Solve for x
x = 193,570,472,767.07/504,431.16 - Step 6: Final answer
x = 383,740.12
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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.