Finding the Fourth Proportional to 845,163.20, 1,166,318.52 and 463,189.08
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Solution
The fourth proportional to 845,163.20, 1,166,318.52 and 463,189.08 is: 639,197.26
Step by Step Solution
- Step 1: Write the proportion equation
845,163.20 : 1,166,318.52 = 463,189.08 : x - Step 2: Convert to fraction form
845,163.20/1,166,318.52 = 463,189.08/x - Step 3: Cross multiply
845,163.20x = 1,166,318.52 × 463,189.08 - Step 4: Simplify right side
845,163.20x = 540,226,002,265.76 - Step 5: Solve for x
x = 540,226,002,265.76/845,163.20 - Step 6: Final answer
x = 639,197.26
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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.