Finding the Fourth Proportional to 127,539.14, 191,226.70 and 60,977.80
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Solution
The fourth proportional to 127,539.14, 191,226.70 and 60,977.80 is: 91,427.48
Step by Step Solution
- Step 1: Write the proportion equation
127,539.14 : 191,226.70 = 60,977.80 : x - Step 2: Convert to fraction form
127,539.14/191,226.70 = 60,977.80/x - Step 3: Cross multiply
127,539.14x = 191,226.70 × 60,977.80 - Step 4: Simplify right side
127,539.14x = 11,660,582,206.24 - Step 5: Solve for x
x = 11,660,582,206.24/127,539.14 - Step 6: Final answer
x = 91,427.48
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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.