Finding the Fourth Proportional to 317,775.06, 438,533.20 and 174,538.44
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Solution
The fourth proportional to 317,775.06, 438,533.20 and 174,538.44 is: 240,865.03
Step by Step Solution
- Step 1: Write the proportion equation
317,775.06 : 438,533.20 = 174,538.44 : x - Step 2: Convert to fraction form
317,775.06/438,533.20 = 174,538.44/x - Step 3: Cross multiply
317,775.06x = 438,533.20 × 174,538.44 - Step 4: Simplify right side
317,775.06x = 76,540,900,616.21 - Step 5: Solve for x
x = 76,540,900,616.21/317,775.06 - Step 6: Final answer
x = 240,865.03
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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.