Finding the Fourth Proportional to 269,080.80, 403,621.20 and 156,887.70
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Solution
The fourth proportional to 269,080.80, 403,621.20 and 156,887.70 is: 235,331.55
Step by Step Solution
- Step 1: Write the proportion equation
269,080.80 : 403,621.20 = 156,887.70 : x - Step 2: Convert to fraction form
269,080.80/403,621.20 = 156,887.70/x - Step 3: Cross multiply
269,080.80x = 403,621.20 × 156,887.70 - Step 4: Simplify right side
269,080.80x = 63,323,201,739.24 - Step 5: Solve for x
x = 63,323,201,739.24/269,080.80 - Step 6: Final answer
x = 235,331.55
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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.