Finding the Fourth Proportional to 845,165.20, 1,166,321.28 and 463,191.08
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Solution
The fourth proportional to 845,165.20, 1,166,321.28 and 463,191.08 is: 639,200.02
Step by Step Solution
- Step 1: Write the proportion equation
845,165.20 : 1,166,321.28 = 463,191.08 : x - Step 2: Convert to fraction form
845,165.20/1,166,321.28 = 463,191.08/x - Step 3: Cross multiply
845,165.20x = 1,166,321.28 × 463,191.08 - Step 4: Simplify right side
845,165.20x = 540,229,613,310.18 - Step 5: Solve for x
x = 540,229,613,310.18/845,165.20 - Step 6: Final answer
x = 639,200.02
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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.