Finding the Fourth Proportional to 118,354.56, 177,577.92 and 56,077.44
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Solution
The fourth proportional to 118,354.56, 177,577.92 and 56,077.44 is: 84,137.99
Step by Step Solution
- Step 1: Write the proportion equation
118,354.56 : 177,577.92 = 56,077.44 : x - Step 2: Convert to fraction form
118,354.56/177,577.92 = 56,077.44/x - Step 3: Cross multiply
118,354.56x = 177,577.92 × 56,077.44 - Step 4: Simplify right side
118,354.56x = 9,958,115,154.12 - Step 5: Solve for x
x = 9,958,115,154.12/118,354.56 - Step 6: Final answer
x = 84,137.99
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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.