Finding the Fourth Proportional to 449,536.74, 620,372.88 and 268,353.83
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Solution
The fourth proportional to 449,536.74, 620,372.88 and 268,353.83 is: 370,335.55
Step by Step Solution
- Step 1: Write the proportion equation
449,536.74 : 620,372.88 = 268,353.83 : x - Step 2: Convert to fraction form
449,536.74/620,372.88 = 268,353.83/x - Step 3: Cross multiply
449,536.74x = 620,372.88 × 268,353.83 - Step 4: Simplify right side
449,536.74x = 166,479,438,376.13 - Step 5: Solve for x
x = 166,479,438,376.13/449,536.74 - Step 6: Final answer
x = 370,335.55
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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.