Finding the Fourth Proportional to 394,725.34, 544,721.34 and 213,437.17
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Solution
The fourth proportional to 394,725.34, 544,721.34 and 213,437.17 is: 294,543.50
Step by Step Solution
- Step 1: Write the proportion equation
394,725.34 : 544,721.34 = 213,437.17 : x - Step 2: Convert to fraction form
394,725.34/544,721.34 = 213,437.17/x - Step 3: Cross multiply
394,725.34x = 544,721.34 × 213,437.17 - Step 4: Simplify right side
394,725.34x = 116,263,781,248.21 - Step 5: Solve for x
x = 116,263,781,248.21/394,725.34 - Step 6: Final answer
x = 294,543.50
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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.