Finding the Fourth Proportional to 317,194.35, 475,890.14 and 103,964.13
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Solution
The fourth proportional to 317,194.35, 475,890.14 and 103,964.13 is: 155,978.52
Step by Step Solution
- Step 1: Write the proportion equation
317,194.35 : 475,890.14 = 103,964.13 : x - Step 2: Convert to fraction form
317,194.35/475,890.14 = 103,964.13/x - Step 3: Cross multiply
317,194.35x = 475,890.14 × 103,964.13 - Step 4: Simplify right side
317,194.35x = 49,475,505,394.23 - Step 5: Solve for x
x = 49,475,505,394.23/317,194.35 - Step 6: Final answer
x = 155,978.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.