Finding the Fourth Proportional to 343,980.76, 515,974.02 and 94,676.44
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Solution
The fourth proportional to 343,980.76, 515,974.02 and 94,676.44 is: 142,015.45
Step by Step Solution
- Step 1: Write the proportion equation
343,980.76 : 515,974.02 = 94,676.44 : x - Step 2: Convert to fraction form
343,980.76/515,974.02 = 94,676.44/x - Step 3: Cross multiply
343,980.76x = 515,974.02 × 94,676.44 - Step 4: Simplify right side
343,980.76x = 48,850,583,346.09 - Step 5: Solve for x
x = 48,850,583,346.09/343,980.76 - Step 6: Final answer
x = 142,015.45
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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.