Finding the Fourth Proportional to 371,455.92, 557,405.22 and 134,817.06
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Solution
The fourth proportional to 371,455.92, 557,405.22 and 134,817.06 is: 202,305.92
Step by Step Solution
- Step 1: Write the proportion equation
371,455.92 : 557,405.22 = 134,817.06 : x - Step 2: Convert to fraction form
371,455.92/557,405.22 = 134,817.06/x - Step 3: Cross multiply
371,455.92x = 557,405.22 × 134,817.06 - Step 4: Simplify right side
371,455.92x = 75,147,732,989.05 - Step 5: Solve for x
x = 75,147,732,989.05/371,455.92 - Step 6: Final answer
x = 202,305.92
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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.