Finding the Fourth Proportional to 259,886.99, 389,129.58 and 169,706.31
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Solution
The fourth proportional to 259,886.99, 389,129.58 and 169,706.31 is: 254,101.78
Step by Step Solution
- Step 1: Write the proportion equation
259,886.99 : 389,129.58 = 169,706.31 : x - Step 2: Convert to fraction form
259,886.99/389,129.58 = 169,706.31/x - Step 3: Cross multiply
259,886.99x = 389,129.58 × 169,706.31 - Step 4: Simplify right side
259,886.99x = 66,037,745,133.65 - Step 5: Solve for x
x = 66,037,745,133.65/259,886.99 - Step 6: Final answer
x = 254,101.78
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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.