Finding the Fourth Proportional to 259,204.20, 357,709.37 and 151,764.18
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Solution
The fourth proportional to 259,204.20, 357,709.37 and 151,764.18 is: 209,439.00
Step by Step Solution
- Step 1: Write the proportion equation
259,204.20 : 357,709.37 = 151,764.18 : x - Step 2: Convert to fraction form
259,204.20/357,709.37 = 151,764.18/x - Step 3: Cross multiply
259,204.20x = 357,709.37 × 151,764.18 - Step 4: Simplify right side
259,204.20x = 54,287,467,807.23 - Step 5: Solve for x
x = 54,287,467,807.23/259,204.20 - Step 6: Final answer
x = 209,439.00
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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.