Finding the Fourth Proportional to 133,007.36, 199,378.56 and 73,869.44
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Solution
The fourth proportional to 133,007.36, 199,378.56 and 73,869.44 is: 110,730.58
Step by Step Solution
- Step 1: Write the proportion equation
133,007.36 : 199,378.56 = 73,869.44 : x - Step 2: Convert to fraction form
133,007.36/199,378.56 = 73,869.44/x - Step 3: Cross multiply
133,007.36x = 199,378.56 × 73,869.44 - Step 4: Simplify right side
133,007.36x = 14,727,982,575.21 - Step 5: Solve for x
x = 14,727,982,575.21/133,007.36 - Step 6: Final answer
x = 110,730.58
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1.5x scale
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.