Finding the Fourth Proportional to 461,911.23, 637,418.84 and 257,958.90
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Solution
The fourth proportional to 461,911.23, 637,418.84 and 257,958.90 is: 355,972.86
Step by Step Solution
- Step 1: Write the proportion equation
461,911.23 : 637,418.84 = 257,958.90 : x - Step 2: Convert to fraction form
461,911.23/637,418.84 = 257,958.90/x - Step 3: Cross multiply
461,911.23x = 637,418.84 × 257,958.90 - Step 4: Simplify right side
461,911.23x = 164,427,861,515.88 - Step 5: Solve for x
x = 164,427,861,515.88/461,911.23 - Step 6: Final answer
x = 355,972.86
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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.