Finding the Fourth Proportional to 207,035.10, 310,552.65 and 73,919.70
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Solution
The fourth proportional to 207,035.10, 310,552.65 and 73,919.70 is: 110,879.55
Step by Step Solution
- Step 1: Write the proportion equation
207,035.10 : 310,552.65 = 73,919.70 : x - Step 2: Convert to fraction form
207,035.10/310,552.65 = 73,919.70/x - Step 3: Cross multiply
207,035.10x = 310,552.65 × 73,919.70 - Step 4: Simplify right side
207,035.10x = 22,955,958,722.21 - Step 5: Solve for x
x = 22,955,958,722.21/207,035.10 - Step 6: Final answer
x = 110,879.55
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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.