Finding the Fourth Proportional to 467,257.44, 644,815.53 and 252,397.49
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Solution
The fourth proportional to 467,257.44, 644,815.53 and 252,397.49 is: 348,308.67
Step by Step Solution
- Step 1: Write the proportion equation
467,257.44 : 644,815.53 = 252,397.49 : x - Step 2: Convert to fraction form
467,257.44/644,815.53 = 252,397.49/x - Step 3: Cross multiply
467,257.44x = 644,815.53 × 252,397.49 - Step 4: Simplify right side
467,257.44x = 162,749,818,060.94 - Step 5: Solve for x
x = 162,749,818,060.94/467,257.44 - Step 6: Final answer
x = 348,308.67
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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.