Finding the Fourth Proportional to 451,538.58, 623,129.27 and 247,589.00
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Solution
The fourth proportional to 451,538.58, 623,129.27 and 247,589.00 is: 341,676.12
Step by Step Solution
- Step 1: Write the proportion equation
451,538.58 : 623,129.27 = 247,589.00 : x - Step 2: Convert to fraction form
451,538.58/623,129.27 = 247,589.00/x - Step 3: Cross multiply
451,538.58x = 623,129.27 × 247,589.00 - Step 4: Simplify right side
451,538.58x = 154,279,948,476.44 - Step 5: Solve for x
x = 154,279,948,476.44/451,538.58 - Step 6: Final answer
x = 341,676.12
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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.