Finding the Fourth Proportional to 302,460.20, 453,863.10 and 115,605.80
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Solution
The fourth proportional to 302,460.20, 453,863.10 and 115,605.80 is: 173,474.75
Step by Step Solution
- Step 1: Write the proportion equation
302,460.20 : 453,863.10 = 115,605.80 : x - Step 2: Convert to fraction form
302,460.20/453,863.10 = 115,605.80/x - Step 3: Cross multiply
302,460.20x = 453,863.10 × 115,605.80 - Step 4: Simplify right side
302,460.20x = 52,469,206,765.98 - Step 5: Solve for x
x = 52,469,206,765.98/302,460.20 - Step 6: Final answer
x = 173,474.75
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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.