Finding the Fourth Proportional to 317,202.41, 437,739.36 and 173,965.46
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Solution
The fourth proportional to 317,202.41, 437,739.36 and 173,965.46 is: 240,072.35
Step by Step Solution
- Step 1: Write the proportion equation
317,202.41 : 437,739.36 = 173,965.46 : x - Step 2: Convert to fraction form
317,202.41/437,739.36 = 173,965.46/x - Step 3: Cross multiply
317,202.41x = 437,739.36 × 173,965.46 - Step 4: Simplify right side
317,202.41x = 76,151,529,122.51 - Step 5: Solve for x
x = 76,151,529,122.51/317,202.41 - Step 6: Final answer
x = 240,072.35
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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.