Finding the Fourth Proportional to 422,401.08, 633,603.78 and 106,858.26
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Solution
The fourth proportional to 422,401.08, 633,603.78 and 106,858.26 is: 160,287.94
Step by Step Solution
- Step 1: Write the proportion equation
422,401.08 : 633,603.78 = 106,858.26 : x - Step 2: Convert to fraction form
422,401.08/633,603.78 = 106,858.26/x - Step 3: Cross multiply
422,401.08x = 633,603.78 × 106,858.26 - Step 4: Simplify right side
422,401.08x = 67,705,797,460.22 - Step 5: Solve for x
x = 67,705,797,460.22/422,401.08 - Step 6: Final answer
x = 160,287.94
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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.