Finding the Fourth Proportional to 250,146.12, 345,201.78 and 136,968.84
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Solution
The fourth proportional to 250,146.12, 345,201.78 and 136,968.84 is: 189,017.07
Step by Step Solution
- Step 1: Write the proportion equation
250,146.12 : 345,201.78 = 136,968.84 : x - Step 2: Convert to fraction form
250,146.12/345,201.78 = 136,968.84/x - Step 3: Cross multiply
250,146.12x = 345,201.78 × 136,968.84 - Step 4: Simplify right side
250,146.12x = 47,281,887,372.54 - Step 5: Solve for x
x = 47,281,887,372.54/250,146.12 - Step 6: Final answer
x = 189,017.07
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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.