Finding the Fourth Proportional to 127,346.99, 191,048.09 and 38,607.30
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Solution
The fourth proportional to 127,346.99, 191,048.09 and 38,607.30 is: 57,919.32
Step by Step Solution
- Step 1: Write the proportion equation
127,346.99 : 191,048.09 = 38,607.30 : x - Step 2: Convert to fraction form
127,346.99/191,048.09 = 38,607.30/x - Step 3: Cross multiply
127,346.99x = 191,048.09 × 38,607.30 - Step 4: Simplify right side
127,346.99x = 7,375,850,732.02 - Step 5: Solve for x
x = 7,375,850,732.02/127,346.99 - Step 6: Final answer
x = 57,919.32
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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.