Finding the Fourth Proportional to 461,676.24, 637,145.34 and 257,767.32
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Solution
The fourth proportional to 461,676.24, 637,145.34 and 257,767.32 is: 355,736.84
Step by Step Solution
- Step 1: Write the proportion equation
461,676.24 : 637,145.34 = 257,767.32 : x - Step 2: Convert to fraction form
461,676.24/637,145.34 = 257,767.32/x - Step 3: Cross multiply
461,676.24x = 637,145.34 × 257,767.32 - Step 4: Simplify right side
461,676.24x = 164,235,246,742.29 - Step 5: Solve for x
x = 164,235,246,742.29/461,676.24 - Step 6: Final answer
x = 355,736.84
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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.