Finding the Fourth Proportional to 402,016.74, 603,156.15 and 202,234.02
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Solution
The fourth proportional to 402,016.74, 603,156.15 and 202,234.02 is: 303,416.95
Step by Step Solution
- Step 1: Write the proportion equation
402,016.74 : 603,156.15 = 202,234.02 : x - Step 2: Convert to fraction form
402,016.74/603,156.15 = 202,234.02/x - Step 3: Cross multiply
402,016.74x = 603,156.15 × 202,234.02 - Step 4: Simplify right side
402,016.74x = 121,978,692,902.22 - Step 5: Solve for x
x = 121,978,692,902.22/402,016.74 - Step 6: Final answer
x = 303,416.95
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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.