Finding the Fourth Proportional to 381,323.84, 526,240.96 and 230,391.68
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Solution
The fourth proportional to 381,323.84, 526,240.96 and 230,391.68 is: 317,949.01
Step by Step Solution
- Step 1: Write the proportion equation
381,323.84 : 526,240.96 = 230,391.68 : x - Step 2: Convert to fraction form
381,323.84/526,240.96 = 230,391.68/x - Step 3: Cross multiply
381,323.84x = 526,240.96 × 230,391.68 - Step 4: Simplify right side
381,323.84x = 121,241,538,859.21 - Step 5: Solve for x
x = 121,241,538,859.21/381,323.84 - Step 6: Final answer
x = 317,949.01
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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.