Finding the Fourth Proportional to 447,325.20, 617,207.40 and 326,532.33
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Solution
The fourth proportional to 447,325.20, 617,207.40 and 326,532.33 is: 450,540.61
Step by Step Solution
- Step 1: Write the proportion equation
447,325.20 : 617,207.40 = 326,532.33 : x - Step 2: Convert to fraction form
447,325.20/617,207.40 = 326,532.33/x - Step 3: Cross multiply
447,325.20x = 617,207.40 × 326,532.33 - Step 4: Simplify right side
447,325.20x = 201,538,170,415.24 - Step 5: Solve for x
x = 201,538,170,415.24/447,325.20 - Step 6: Final answer
x = 450,540.61
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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.