Finding the Fourth Proportional to 133,065.70, 199,630.46 and 44,319.99
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Solution
The fourth proportional to 133,065.70, 199,630.46 and 44,319.99 is: 66,490.61
Step by Step Solution
- Step 1: Write the proportion equation
133,065.70 : 199,630.46 = 44,319.99 : x - Step 2: Convert to fraction form
133,065.70/199,630.46 = 44,319.99/x - Step 3: Cross multiply
133,065.70x = 199,630.46 × 44,319.99 - Step 4: Simplify right side
133,065.70x = 8,847,619,990.90 - Step 5: Solve for x
x = 8,847,619,990.90/133,065.70 - Step 6: Final answer
x = 66,490.61
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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.