Finding the Fourth Proportional to 259,888.74, 389,132.20 and 169,708.06
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Solution
The fourth proportional to 259,888.74, 389,132.20 and 169,708.06 is: 254,104.39
Step by Step Solution
- Step 1: Write the proportion equation
259,888.74 : 389,132.20 = 169,708.06 : x - Step 2: Convert to fraction form
259,888.74/389,132.20 = 169,708.06/x - Step 3: Cross multiply
259,888.74x = 389,132.20 × 169,708.06 - Step 4: Simplify right side
259,888.74x = 66,038,870,745.53 - Step 5: Solve for x
x = 66,038,870,745.53/259,888.74 - Step 6: Final answer
x = 254,104.39
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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.