Finding the Fourth Proportional to 127,083.71, 190,626.95 and 38,337.99
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Solution
The fourth proportional to 127,083.71, 190,626.95 and 38,337.99 is: 57,507.40
Step by Step Solution
- Step 1: Write the proportion equation
127,083.71 : 190,626.95 = 38,337.99 : x - Step 2: Convert to fraction form
127,083.71/190,626.95 = 38,337.99/x - Step 3: Cross multiply
127,083.71x = 190,626.95 × 38,337.99 - Step 4: Simplify right side
127,083.71x = 7,308,253,911.14 - Step 5: Solve for x
x = 7,308,253,911.14/127,083.71 - Step 6: Final answer
x = 57,507.40
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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.