Finding the Fourth Proportional to 491,078.26, 677,683.11 and 273,283.26
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Solution
The fourth proportional to 491,078.26, 677,683.11 and 273,283.26 is: 377,128.18
Step by Step Solution
- Step 1: Write the proportion equation
491,078.26 : 677,683.11 = 273,283.26 : x - Step 2: Convert to fraction form
491,078.26/677,683.11 = 273,283.26/x - Step 3: Cross multiply
491,078.26x = 677,683.11 × 273,283.26 - Step 4: Simplify right side
491,078.26x = 185,199,449,547.74 - Step 5: Solve for x
x = 185,199,449,547.74/491,078.26 - Step 6: Final answer
x = 377,128.18
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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.