Finding the Fourth Proportional to 449,202.58, 619,883.28 and 245,249.74
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Solution
The fourth proportional to 449,202.58, 619,883.28 and 245,249.74 is: 338,435.76
Step by Step Solution
- Step 1: Write the proportion equation
449,202.58 : 619,883.28 = 245,249.74 : x - Step 2: Convert to fraction form
449,202.58/619,883.28 = 245,249.74/x - Step 3: Cross multiply
449,202.58x = 619,883.28 × 245,249.74 - Step 4: Simplify right side
449,202.58x = 152,026,214,025.20 - Step 5: Solve for x
x = 152,026,214,025.20/449,202.58 - Step 6: Final answer
x = 338,435.76
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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.