Finding the Fourth Proportional to 606,787.15, 837,386.37 and 331,160.09
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Solution
The fourth proportional to 606,787.15, 837,386.37 and 331,160.09 is: 457,011.90
Step by Step Solution
- Step 1: Write the proportion equation
606,787.15 : 837,386.37 = 331,160.09 : x - Step 2: Convert to fraction form
606,787.15/837,386.37 = 331,160.09/x - Step 3: Cross multiply
606,787.15x = 837,386.37 × 331,160.09 - Step 4: Simplify right side
606,787.15x = 277,308,947,868.82 - Step 5: Solve for x
x = 277,308,947,868.82/606,787.15 - Step 6: Final answer
x = 457,011.90
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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.