Finding the Fourth Proportional to 260,840.84, 359,964.09 and 151,942.38
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Solution
The fourth proportional to 260,840.84, 359,964.09 and 151,942.38 is: 209,682.66
Step by Step Solution
- Step 1: Write the proportion equation
260,840.84 : 359,964.09 = 151,942.38 : x - Step 2: Convert to fraction form
260,840.84/359,964.09 = 151,942.38/x - Step 3: Cross multiply
260,840.84x = 359,964.09 × 151,942.38 - Step 4: Simplify right side
260,840.84x = 54,693,800,549.13 - Step 5: Solve for x
x = 54,693,800,549.13/260,840.84 - Step 6: Final answer
x = 209,682.66
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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.