Finding the Fourth Proportional to 127,271.84, 175,491.21 and 81,270.99
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Solution
The fourth proportional to 127,271.84, 175,491.21 and 81,270.99 is: 112,062.06
Step by Step Solution
- Step 1: Write the proportion equation
127,271.84 : 175,491.21 = 81,270.99 : x - Step 2: Convert to fraction form
127,271.84/175,491.21 = 81,270.99/x - Step 3: Cross multiply
127,271.84x = 175,491.21 × 81,270.99 - Step 4: Simplify right side
127,271.84x = 14,262,344,373.00 - Step 5: Solve for x
x = 14,262,344,373.00/127,271.84 - Step 6: Final answer
x = 112,062.06
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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.