Finding the Fourth Proportional to 757,372.01, 1,135,931.42 and 251,986.38
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Solution
The fourth proportional to 757,372.01, 1,135,931.42 and 251,986.38 is: 377,937.45
Step by Step Solution
- Step 1: Write the proportion equation
757,372.01 : 1,135,931.42 = 251,986.38 : x - Step 2: Convert to fraction form
757,372.01/1,135,931.42 = 251,986.38/x - Step 3: Cross multiply
757,372.01x = 1,135,931.42 × 251,986.38 - Step 4: Simplify right side
757,372.01x = 286,239,245,194.13 - Step 5: Solve for x
x = 286,239,245,194.13/757,372.01 - Step 6: Final answer
x = 377,937.45
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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.