Finding the Fourth Proportional to 258,961.93, 357,377.16 and 142,680.18
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Solution
The fourth proportional to 258,961.93, 357,377.16 and 142,680.18 is: 196,904.00
Step by Step Solution
- Step 1: Write the proportion equation
258,961.93 : 357,377.16 = 142,680.18 : x - Step 2: Convert to fraction form
258,961.93/357,377.16 = 142,680.18/x - Step 3: Cross multiply
258,961.93x = 357,377.16 × 142,680.18 - Step 4: Simplify right side
258,961.93x = 50,990,639,391.90 - Step 5: Solve for x
x = 50,990,639,391.90/258,961.93 - Step 6: Final answer
x = 196,904.00
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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.