Finding the Fourth Proportional to 579,149.19, 799,161.39 and 337,381.20
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Solution
The fourth proportional to 579,149.19, 799,161.39 and 337,381.20 is: 465,548.49
Step by Step Solution
- Step 1: Write the proportion equation
579,149.19 : 799,161.39 = 337,381.20 : x - Step 2: Convert to fraction form
579,149.19/799,161.39 = 337,381.20/x - Step 3: Cross multiply
579,149.19x = 799,161.39 × 337,381.20 - Step 4: Simplify right side
579,149.19x = 269,622,028,751.87 - Step 5: Solve for x
x = 269,622,028,751.87/579,149.19 - Step 6: Final answer
x = 465,548.49
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Double scale
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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.