Finding the Fourth Proportional to 648,775.46, 973,163.25 and 193,373.75
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Solution
The fourth proportional to 648,775.46, 973,163.25 and 193,373.75 is: 290,060.64
Step by Step Solution
- Step 1: Write the proportion equation
648,775.46 : 973,163.25 = 193,373.75 : x - Step 2: Convert to fraction form
648,775.46/973,163.25 = 193,373.75/x - Step 3: Cross multiply
648,775.46x = 973,163.25 × 193,373.75 - Step 4: Simplify right side
648,775.46x = 188,184,222,148.87 - Step 5: Solve for x
x = 188,184,222,148.87/648,775.46 - Step 6: Final answer
x = 290,060.64
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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.