Finding the Fourth Proportional to 449,765.58, 620,675.04 and 245,816.49
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Solution
The fourth proportional to 449,765.58, 620,675.04 and 245,816.49 is: 339,225.95
Step by Step Solution
- Step 1: Write the proportion equation
449,765.58 : 620,675.04 = 245,816.49 : x - Step 2: Convert to fraction form
449,765.58/620,675.04 = 245,816.49/x - Step 3: Cross multiply
449,765.58x = 620,675.04 × 245,816.49 - Step 4: Simplify right side
449,765.58x = 152,572,156,660.03 - Step 5: Solve for x
x = 152,572,156,660.03/449,765.58 - Step 6: Final answer
x = 339,225.95
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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.