Finding the Fourth Proportional to 575,420.40, 863,130.60 and 201,481.20
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Solution
The fourth proportional to 575,420.40, 863,130.60 and 201,481.20 is: 302,221.80
Step by Step Solution
- Step 1: Write the proportion equation
575,420.40 : 863,130.60 = 201,481.20 : x - Step 2: Convert to fraction form
575,420.40/863,130.60 = 201,481.20/x - Step 3: Cross multiply
575,420.40x = 863,130.60 × 201,481.20 - Step 4: Simplify right side
575,420.40x = 173,904,589,044.72 - Step 5: Solve for x
x = 173,904,589,044.72/575,420.40 - Step 6: Final answer
x = 302,221.80
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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.