Finding the Fourth Proportional to 250,974.36, 346,245.84 and 143,486.64
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Solution
The fourth proportional to 250,974.36, 346,245.84 and 143,486.64 is: 197,955.09
Step by Step Solution
- Step 1: Write the proportion equation
250,974.36 : 346,245.84 = 143,486.64 : x - Step 2: Convert to fraction form
250,974.36/346,245.84 = 143,486.64/x - Step 3: Cross multiply
250,974.36x = 346,245.84 × 143,486.64 - Step 4: Simplify right side
250,974.36x = 49,681,652,195.58 - Step 5: Solve for x
x = 49,681,652,195.58/250,974.36 - Step 6: Final answer
x = 197,955.09
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1.5x scale
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.