Finding the Fourth Proportional to 317,504.44, 438,141.74 and 190,250.68
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Solution
The fourth proportional to 317,504.44, 438,141.74 and 190,250.68 is: 262,537.32
Step by Step Solution
- Step 1: Write the proportion equation
317,504.44 : 438,141.74 = 190,250.68 : x - Step 2: Convert to fraction form
317,504.44/438,141.74 = 190,250.68/x - Step 3: Cross multiply
317,504.44x = 438,141.74 × 190,250.68 - Step 4: Simplify right side
317,504.44x = 83,356,763,971.38 - Step 5: Solve for x
x = 83,356,763,971.38/317,504.44 - Step 6: Final answer
x = 262,537.32
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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.