Finding the Fourth Proportional to 259,878.75, 358,632.69 and 140,646.75
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Solution
The fourth proportional to 259,878.75, 358,632.69 and 140,646.75 is: 194,092.52
Step by Step Solution
- Step 1: Write the proportion equation
259,878.75 : 358,632.69 = 140,646.75 : x - Step 2: Convert to fraction form
259,878.75/358,632.69 = 140,646.75/x - Step 3: Cross multiply
259,878.75x = 358,632.69 × 140,646.75 - Step 4: Simplify right side
259,878.75x = 50,440,522,292.26 - Step 5: Solve for x
x = 50,440,522,292.26/259,878.75 - Step 6: Final answer
x = 194,092.52
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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.