Finding the Fourth Proportional to 259,018.68, 357,471.36 and 151,582.30
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Solution
The fourth proportional to 259,018.68, 357,471.36 and 151,582.30 is: 209,198.54
Step by Step Solution
- Step 1: Write the proportion equation
259,018.68 : 357,471.36 = 151,582.30 : x - Step 2: Convert to fraction form
259,018.68/357,471.36 = 151,582.30/x - Step 3: Cross multiply
259,018.68x = 357,471.36 × 151,582.30 - Step 4: Simplify right side
259,018.68x = 54,186,330,932.93 - Step 5: Solve for x
x = 54,186,330,932.93/259,018.68 - Step 6: Final answer
x = 209,198.54
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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.