Finding the Fourth Proportional to 252,697.65, 378,718.69 and 102,763.41
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Solution
The fourth proportional to 252,697.65, 378,718.69 and 102,763.41 is: 154,011.82
Step by Step Solution
- Step 1: Write the proportion equation
252,697.65 : 378,718.69 = 102,763.41 : x - Step 2: Convert to fraction form
252,697.65/378,718.69 = 102,763.41/x - Step 3: Cross multiply
252,697.65x = 378,718.69 × 102,763.41 - Step 4: Simplify right side
252,697.65x = 38,918,424,015.13 - Step 5: Solve for x
x = 38,918,424,015.13/252,697.65 - Step 6: Final answer
x = 154,011.82
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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.