Finding the Fourth Proportional to 313,997.70, 471,025.35 and 103,636.10
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Solution
The fourth proportional to 313,997.70, 471,025.35 and 103,636.10 is: 155,463.66
Step by Step Solution
- Step 1: Write the proportion equation
313,997.70 : 471,025.35 = 103,636.10 : x - Step 2: Convert to fraction form
313,997.70/471,025.35 = 103,636.10/x - Step 3: Cross multiply
313,997.70x = 471,025.35 × 103,636.10 - Step 4: Simplify right side
313,997.70x = 48,815,230,275.14 - Step 5: Solve for x
x = 48,815,230,275.14/313,997.70 - Step 6: Final answer
x = 155,463.66
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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.