Finding the Fourth Proportional to 133,064.40, 199,628.49 and 44,318.70
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Solution
The fourth proportional to 133,064.40, 199,628.49 and 44,318.70 is: 66,488.67
Step by Step Solution
- Step 1: Write the proportion equation
133,064.40 : 199,628.49 = 44,318.70 : x - Step 2: Convert to fraction form
133,064.40/199,628.49 = 44,318.70/x - Step 3: Cross multiply
133,064.40x = 199,628.49 × 44,318.70 - Step 4: Simplify right side
133,064.40x = 8,847,275,159.76 - Step 5: Solve for x
x = 8,847,275,159.76/133,064.40 - Step 6: Final answer
x = 66,488.67
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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.