Finding the Fourth Proportional to 558,739.20, 838,108.80 and 203,764.80
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Solution
The fourth proportional to 558,739.20, 838,108.80 and 203,764.80 is: 305,647.20
Step by Step Solution
- Step 1: Write the proportion equation
558,739.20 : 838,108.80 = 203,764.80 : x - Step 2: Convert to fraction form
558,739.20/838,108.80 = 203,764.80/x - Step 3: Cross multiply
558,739.20x = 838,108.80 × 203,764.80 - Step 4: Simplify right side
558,739.20x = 170,777,072,010.24 - Step 5: Solve for x
x = 170,777,072,010.24/558,739.20 - Step 6: Final answer
x = 305,647.20
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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.