Finding the Fourth Proportional to 366,908.80, 550,363.20 and 300,478.68
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Solution
The fourth proportional to 366,908.80, 550,363.20 and 300,478.68 is: 450,718.02
Step by Step Solution
- Step 1: Write the proportion equation
366,908.80 : 550,363.20 = 300,478.68 : x - Step 2: Convert to fraction form
366,908.80/550,363.20 = 300,478.68/x - Step 3: Cross multiply
366,908.80x = 550,363.20 × 300,478.68 - Step 4: Simplify right side
366,908.80x = 165,372,407,856.58 - Step 5: Solve for x
x = 165,372,407,856.58/366,908.80 - Step 6: Final answer
x = 450,718.02
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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.