Finding the Fourth Proportional to 647,195.93, 893,091.96 and 371,490.09
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Solution
The fourth proportional to 647,195.93, 893,091.96 and 371,490.09 is: 512,634.26
Step by Step Solution
- Step 1: Write the proportion equation
647,195.93 : 893,091.96 = 371,490.09 : x - Step 2: Convert to fraction form
647,195.93/893,091.96 = 371,490.09/x - Step 3: Cross multiply
647,195.93x = 893,091.96 × 371,490.09 - Step 4: Simplify right side
647,195.93x = 331,774,806,275.77 - Step 5: Solve for x
x = 331,774,806,275.77/647,195.93 - Step 6: Final answer
x = 512,634.26
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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.