Finding the Fourth Proportional to 417,914.75, 576,722.36 and 239,066.75
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Solution
The fourth proportional to 417,914.75, 576,722.36 and 239,066.75 is: 329,912.12
Step by Step Solution
- Step 1: Write the proportion equation
417,914.75 : 576,722.36 = 239,066.75 : x - Step 2: Convert to fraction form
417,914.75/576,722.36 = 239,066.75/x - Step 3: Cross multiply
417,914.75x = 576,722.36 × 239,066.75 - Step 4: Simplify right side
417,914.75x = 137,875,140,257.53 - Step 5: Solve for x
x = 137,875,140,257.53/417,914.75 - Step 6: Final answer
x = 329,912.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.