Finding the Fourth Proportional to 259,962.26, 389,943.38 and 93,750.26
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Solution
The fourth proportional to 259,962.26, 389,943.38 and 93,750.26 is: 140,625.39
Step by Step Solution
- Step 1: Write the proportion equation
259,962.26 : 389,943.38 = 93,750.26 : x - Step 2: Convert to fraction form
259,962.26/389,943.38 = 93,750.26/x - Step 3: Cross multiply
259,962.26x = 389,943.38 × 93,750.26 - Step 4: Simplify right side
259,962.26x = 36,557,293,260.28 - Step 5: Solve for x
x = 36,557,293,260.28/259,962.26 - Step 6: Final answer
x = 140,625.39
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1.5x scale
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.