Finding the Fourth Proportional to 383,135.76, 574,703.79 and 158,249.05
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Solution
The fourth proportional to 383,135.76, 574,703.79 and 158,249.05 is: 237,373.64
Step by Step Solution
- Step 1: Write the proportion equation
383,135.76 : 574,703.79 = 158,249.05 : x - Step 2: Convert to fraction form
383,135.76/574,703.79 = 158,249.05/x - Step 3: Cross multiply
383,135.76x = 574,703.79 × 158,249.05 - Step 4: Simplify right side
383,135.76x = 90,946,328,798.90 - Step 5: Solve for x
x = 90,946,328,798.90/383,135.76 - Step 6: Final answer
x = 237,373.64
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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.