Finding the Fourth Proportional to 442,213.80, 663,320.70 and 302,245.80
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Solution
The fourth proportional to 442,213.80, 663,320.70 and 302,245.80 is: 453,368.70
Step by Step Solution
- Step 1: Write the proportion equation
442,213.80 : 663,320.70 = 302,245.80 : x - Step 2: Convert to fraction form
442,213.80/663,320.70 = 302,245.80/x - Step 3: Cross multiply
442,213.80x = 663,320.70 × 302,245.80 - Step 4: Simplify right side
442,213.80x = 200,485,895,628.06 - Step 5: Solve for x
x = 200,485,895,628.06/442,213.80 - Step 6: Final answer
x = 453,368.70
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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.