Finding the Fourth Proportional to 432,321.21, 596,613.33 and 271,183.05
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Solution
The fourth proportional to 432,321.21, 596,613.33 and 271,183.05 is: 374,238.92
Step by Step Solution
- Step 1: Write the proportion equation
432,321.21 : 596,613.33 = 271,183.05 : x - Step 2: Convert to fraction form
432,321.21/596,613.33 = 271,183.05/x - Step 3: Cross multiply
432,321.21x = 596,613.33 × 271,183.05 - Step 4: Simplify right side
432,321.21x = 161,791,422,500.06 - Step 5: Solve for x
x = 161,791,422,500.06/432,321.21 - Step 6: Final answer
x = 374,238.92
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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.