Finding the Fourth Proportional to 487,785.26, 673,161.69 and 267,038.03
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Solution
The fourth proportional to 487,785.26, 673,161.69 and 267,038.03 is: 368,522.35
Step by Step Solution
- Step 1: Write the proportion equation
487,785.26 : 673,161.69 = 267,038.03 : x - Step 2: Convert to fraction form
487,785.26/673,161.69 = 267,038.03/x - Step 3: Cross multiply
487,785.26x = 673,161.69 × 267,038.03 - Step 4: Simplify right side
487,785.26x = 179,759,771,569.07 - Step 5: Solve for x
x = 179,759,771,569.07/487,785.26 - Step 6: Final answer
x = 368,522.35
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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.