Finding the Fourth Proportional to 379,406.80, 569,110.20 and 202,259.80
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Solution
The fourth proportional to 379,406.80, 569,110.20 and 202,259.80 is: 303,389.70
Step by Step Solution
- Step 1: Write the proportion equation
379,406.80 : 569,110.20 = 202,259.80 : x - Step 2: Convert to fraction form
379,406.80/569,110.20 = 202,259.80/x - Step 3: Cross multiply
379,406.80x = 569,110.20 × 202,259.80 - Step 4: Simplify right side
379,406.80x = 115,108,115,229.96 - Step 5: Solve for x
x = 115,108,115,229.96/379,406.80 - Step 6: Final answer
x = 303,389.70
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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.