Finding the Fourth Proportional to 127,882.24, 176,482.56 and 71,303.68
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Solution
The fourth proportional to 127,882.24, 176,482.56 and 71,303.68 is: 98,401.90
Step by Step Solution
- Step 1: Write the proportion equation
127,882.24 : 176,482.56 = 71,303.68 : x - Step 2: Convert to fraction form
127,882.24/176,482.56 = 71,303.68/x - Step 3: Cross multiply
127,882.24x = 176,482.56 × 71,303.68 - Step 4: Simplify right side
127,882.24x = 12,583,855,983.82 - Step 5: Solve for x
x = 12,583,855,983.82/127,882.24 - Step 6: Final answer
x = 98,401.90
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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.