Finding the Fourth Proportional to 371,793.76, 557,444.08 and 135,108.32
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Solution
The fourth proportional to 371,793.76, 557,444.08 and 135,108.32 is: 202,572.88
Step by Step Solution
- Step 1: Write the proportion equation
371,793.76 : 557,444.08 = 135,108.32 : x - Step 2: Convert to fraction form
371,793.76/557,444.08 = 135,108.32/x - Step 3: Cross multiply
371,793.76x = 557,444.08 × 135,108.32 - Step 4: Simplify right side
371,793.76x = 75,315,333,142.75 - Step 5: Solve for x
x = 75,315,333,142.75/371,793.76 - Step 6: Final answer
x = 202,572.88
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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.