Finding the Fourth Proportional to 833,139.88, 1,149,736.71 and 451,167.10
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Solution
The fourth proportional to 833,139.88, 1,149,736.71 and 451,167.10 is: 622,612.59
Step by Step Solution
- Step 1: Write the proportion equation
833,139.88 : 1,149,736.71 = 451,167.10 : x - Step 2: Convert to fraction form
833,139.88/1,149,736.71 = 451,167.10/x - Step 3: Cross multiply
833,139.88x = 1,149,736.71 × 451,167.10 - Step 4: Simplify right side
833,139.88x = 518,723,377,214.24 - Step 5: Solve for x
x = 518,723,377,214.24/833,139.88 - Step 6: Final answer
x = 622,612.59
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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.