Finding the Fourth Proportional to 371,874.12, 557,848.08 and 119,091.12
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Solution
The fourth proportional to 371,874.12, 557,848.08 and 119,091.12 is: 178,648.50
Step by Step Solution
- Step 1: Write the proportion equation
371,874.12 : 557,848.08 = 119,091.12 : x - Step 2: Convert to fraction form
371,874.12/557,848.08 = 119,091.12/x - Step 3: Cross multiply
371,874.12x = 557,848.08 × 119,091.12 - Step 4: Simplify right side
371,874.12x = 66,434,752,637.05 - Step 5: Solve for x
x = 66,434,752,637.05/371,874.12 - Step 6: Final answer
x = 178,648.50
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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.