Finding the Fourth Proportional to 317,147.23, 437,239.80 and 251,952.39
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Solution
The fourth proportional to 317,147.23, 437,239.80 and 251,952.39 is: 347,357.95
Step by Step Solution
- Step 1: Write the proportion equation
317,147.23 : 437,239.80 = 251,952.39 : x - Step 2: Convert to fraction form
317,147.23/437,239.80 = 251,952.39/x - Step 3: Cross multiply
317,147.23x = 437,239.80 × 251,952.39 - Step 4: Simplify right side
317,147.23x = 110,163,611,353.36 - Step 5: Solve for x
x = 110,163,611,353.36/317,147.23 - Step 6: Final answer
x = 347,357.95
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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.