Finding the Fourth Proportional to 317,774.06, 438,531.81 and 174,537.44
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Solution
The fourth proportional to 317,774.06, 438,531.81 and 174,537.44 is: 240,863.65
Step by Step Solution
- Step 1: Write the proportion equation
317,774.06 : 438,531.81 = 174,537.44 : x - Step 2: Convert to fraction form
317,774.06/438,531.81 = 174,537.44/x - Step 3: Cross multiply
317,774.06x = 438,531.81 × 174,537.44 - Step 4: Simplify right side
317,774.06x = 76,540,219,475.97 - Step 5: Solve for x
x = 76,540,219,475.97/317,774.06 - Step 6: Final answer
x = 240,863.65
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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.