Finding the Fourth Proportional to 494,201.80, 741,129.90 and 257,465.80
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Solution
The fourth proportional to 494,201.80, 741,129.90 and 257,465.80 is: 386,108.68
Step by Step Solution
- Step 1: Write the proportion equation
494,201.80 : 741,129.90 = 257,465.80 : x - Step 2: Convert to fraction form
494,201.80/741,129.90 = 257,465.80/x - Step 3: Cross multiply
494,201.80x = 741,129.90 × 257,465.80 - Step 4: Simplify right side
494,201.80x = 190,815,602,607.42 - Step 5: Solve for x
x = 190,815,602,607.42/494,201.80 - Step 6: Final answer
x = 386,108.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.