Finding the Fourth Proportional to 300,366.15, 450,456.24 and 87,149.70
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Solution
The fourth proportional to 300,366.15, 450,456.24 and 87,149.70 is: 130,697.57
Step by Step Solution
- Step 1: Write the proportion equation
300,366.15 : 450,456.24 = 87,149.70 : x - Step 2: Convert to fraction form
300,366.15/450,456.24 = 87,149.70/x - Step 3: Cross multiply
300,366.15x = 450,456.24 × 87,149.70 - Step 4: Simplify right side
300,366.15x = 39,257,126,179.13 - Step 5: Solve for x
x = 39,257,126,179.13/300,366.15 - Step 6: Final answer
x = 130,697.57
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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.