Finding the Fourth Proportional to 425,115.66, 586,660.92 and 231,524.84
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Solution
The fourth proportional to 425,115.66, 586,660.92 and 231,524.84 is: 319,504.99
Step by Step Solution
- Step 1: Write the proportion equation
425,115.66 : 586,660.92 = 231,524.84 : x - Step 2: Convert to fraction form
425,115.66/586,660.92 = 231,524.84/x - Step 3: Cross multiply
425,115.66x = 586,660.92 × 231,524.84 - Step 4: Simplify right side
425,115.66x = 135,826,575,637.25 - Step 5: Solve for x
x = 135,826,575,637.25/425,115.66 - Step 6: Final answer
x = 319,504.99
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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.