Finding the Fourth Proportional to 442,489.05, 610,634.70 and 241,285.05
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Solution
The fourth proportional to 442,489.05, 610,634.70 and 241,285.05 is: 332,973.27
Step by Step Solution
- Step 1: Write the proportion equation
442,489.05 : 610,634.70 = 241,285.05 : x - Step 2: Convert to fraction form
442,489.05/610,634.70 = 241,285.05/x - Step 3: Cross multiply
442,489.05x = 610,634.70 × 241,285.05 - Step 4: Simplify right side
442,489.05x = 147,337,024,121.24 - Step 5: Solve for x
x = 147,337,024,121.24/442,489.05 - Step 6: Final answer
x = 332,973.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.