Finding the Fourth Proportional to 127,698.87, 191,548.19 and 34,202.07
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Solution
The fourth proportional to 127,698.87, 191,548.19 and 34,202.07 is: 51,303.07
Step by Step Solution
- Step 1: Write the proportion equation
127,698.87 : 191,548.19 = 34,202.07 : x - Step 2: Convert to fraction form
127,698.87/191,548.19 = 34,202.07/x - Step 3: Cross multiply
127,698.87x = 191,548.19 × 34,202.07 - Step 4: Simplify right side
127,698.87x = 6,551,344,431.74 - Step 5: Solve for x
x = 6,551,344,431.74/127,698.87 - Step 6: Final answer
x = 51,303.07
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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.