Finding the Fourth Proportional to 127,371.03, 175,727.21 and 76,400.26
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Solution
The fourth proportional to 127,371.03, 175,727.21 and 76,400.26 is: 105,405.48
Step by Step Solution
- Step 1: Write the proportion equation
127,371.03 : 175,727.21 = 76,400.26 : x - Step 2: Convert to fraction form
127,371.03/175,727.21 = 76,400.26/x - Step 3: Cross multiply
127,371.03x = 175,727.21 × 76,400.26 - Step 4: Simplify right side
127,371.03x = 13,425,604,700.22 - Step 5: Solve for x
x = 13,425,604,700.22/127,371.03 - Step 6: Final answer
x = 105,405.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.