Finding the Fourth Proportional to 259,944.19, 358,723.01 and 140,712.19
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Solution
The fourth proportional to 259,944.19, 358,723.01 and 140,712.19 is: 194,182.84
Step by Step Solution
- Step 1: Write the proportion equation
259,944.19 : 358,723.01 = 140,712.19 : x - Step 2: Convert to fraction form
259,944.19/358,723.01 = 140,712.19/x - Step 3: Cross multiply
259,944.19x = 358,723.01 × 140,712.19 - Step 4: Simplify right side
259,944.19x = 50,476,699,795.46 - Step 5: Solve for x
x = 50,476,699,795.46/259,944.19 - Step 6: Final answer
x = 194,182.84
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1.5x scale
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.