Finding the Fourth Proportional to 127,407.17, 191,100.99 and 38,661.14
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Solution
The fourth proportional to 127,407.17, 191,100.99 and 38,661.14 is: 57,988.75
Step by Step Solution
- Step 1: Write the proportion equation
127,407.17 : 191,100.99 = 38,661.14 : x - Step 2: Convert to fraction form
127,407.17/191,100.99 = 38,661.14/x - Step 3: Cross multiply
127,407.17x = 191,100.99 × 38,661.14 - Step 4: Simplify right side
127,407.17x = 7,388,182,128.53 - Step 5: Solve for x
x = 7,388,182,128.53/127,407.17 - Step 6: Final answer
x = 57,988.75
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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.