Finding the Fourth Proportional to 265,246.65, 397,869.98 and 212,758.65
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Solution
The fourth proportional to 265,246.65, 397,869.98 and 212,758.65 is: 319,137.98
Step by Step Solution
- Step 1: Write the proportion equation
265,246.65 : 397,869.98 = 212,758.65 : x - Step 2: Convert to fraction form
265,246.65/397,869.98 = 212,758.65/x - Step 3: Cross multiply
265,246.65x = 397,869.98 × 212,758.65 - Step 4: Simplify right side
265,246.65x = 84,650,278,756.53 - Step 5: Solve for x
x = 84,650,278,756.53/265,246.65 - Step 6: Final answer
x = 319,137.98
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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.