Finding the Fourth Proportional to 326,331.74, 489,486.85 and 134,199.52
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Solution
The fourth proportional to 326,331.74, 489,486.85 and 134,199.52 is: 201,294.85
Step by Step Solution
- Step 1: Write the proportion equation
326,331.74 : 489,486.85 = 134,199.52 : x - Step 2: Convert to fraction form
326,331.74/489,486.85 = 134,199.52/x - Step 3: Cross multiply
326,331.74x = 489,486.85 × 134,199.52 - Step 4: Simplify right side
326,331.74x = 65,688,898,757.10 - Step 5: Solve for x
x = 65,688,898,757.10/326,331.74 - Step 6: Final answer
x = 201,294.85
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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.