Finding the Fourth Proportional to 461,274.75, 692,028.77 and 128,850.75
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Solution
The fourth proportional to 461,274.75, 692,028.77 and 128,850.75 is: 193,308.71
Step by Step Solution
- Step 1: Write the proportion equation
461,274.75 : 692,028.77 = 128,850.75 : x - Step 2: Convert to fraction form
461,274.75/692,028.77 = 128,850.75/x - Step 3: Cross multiply
461,274.75x = 692,028.77 × 128,850.75 - Step 4: Simplify right side
461,274.75x = 89,168,425,391.82 - Step 5: Solve for x
x = 89,168,425,391.82/461,274.75 - Step 6: Final answer
x = 193,308.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.