Finding the Fourth Proportional to 575,425.90, 863,138.85 and 201,486.70
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Solution
The fourth proportional to 575,425.90, 863,138.85 and 201,486.70 is: 302,230.05
Step by Step Solution
- Step 1: Write the proportion equation
575,425.90 : 863,138.85 = 201,486.70 : x - Step 2: Convert to fraction form
575,425.90/863,138.85 = 201,486.70/x - Step 3: Cross multiply
575,425.90x = 863,138.85 × 201,486.70 - Step 4: Simplify right side
575,425.90x = 173,910,998,528.30 - Step 5: Solve for x
x = 173,910,998,528.30/575,425.90 - Step 6: Final answer
x = 302,230.05
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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.