Finding the Fourth Proportional to 313,750.10, 471,609.30 and 307,845.20
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Solution
The fourth proportional to 313,750.10, 471,609.30 and 307,845.20 is: 462,733.43
Step by Step Solution
- Step 1: Write the proportion equation
313,750.10 : 471,609.30 = 307,845.20 : x - Step 2: Convert to fraction form
313,750.10/471,609.30 = 307,845.20/x - Step 3: Cross multiply
313,750.10x = 471,609.30 × 307,845.20 - Step 4: Simplify right side
313,750.10x = 145,182,659,280.36 - Step 5: Solve for x
x = 145,182,659,280.36/313,750.10 - Step 6: Final answer
x = 462,733.43
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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.