Finding the Fourth Proportional to 495,640.35, 743,461.11 and 135,814.23
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Solution
The fourth proportional to 495,640.35, 743,461.11 and 135,814.23 is: 203,721.51
Step by Step Solution
- Step 1: Write the proportion equation
495,640.35 : 743,461.11 = 135,814.23 : x - Step 2: Convert to fraction form
495,640.35/743,461.11 = 135,814.23/x - Step 3: Cross multiply
495,640.35x = 743,461.11 × 135,814.23 - Step 4: Simplify right side
495,640.35x = 100,972,598,189.60 - Step 5: Solve for x
x = 100,972,598,189.60/495,640.35 - Step 6: Final answer
x = 203,721.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.