Finding the Fourth Proportional to 603,378.76, 905,179.20 and 198,593.68
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Solution
The fourth proportional to 603,378.76, 905,179.20 and 198,593.68 is: 297,927.07
Step by Step Solution
- Step 1: Write the proportion equation
603,378.76 : 905,179.20 = 198,593.68 : x - Step 2: Convert to fraction form
603,378.76/905,179.20 = 198,593.68/x - Step 3: Cross multiply
603,378.76x = 905,179.20 × 198,593.68 - Step 4: Simplify right side
603,378.76x = 179,762,868,387.46 - Step 5: Solve for x
x = 179,762,868,387.46/603,378.76 - Step 6: Final answer
x = 297,927.07
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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.