Finding the Fourth Proportional to 449,622.28, 674,462.58 and 134,111.08
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Solution
The fourth proportional to 449,622.28, 674,462.58 and 134,111.08 is: 201,175.32
Step by Step Solution
- Step 1: Write the proportion equation
449,622.28 : 674,462.58 = 134,111.08 : x - Step 2: Convert to fraction form
449,622.28/674,462.58 = 134,111.08/x - Step 3: Cross multiply
449,622.28x = 674,462.58 × 134,111.08 - Step 4: Simplify right side
449,622.28x = 90,452,905,023.39 - Step 5: Solve for x
x = 90,452,905,023.39/449,622.28 - Step 6: Final answer
x = 201,175.32
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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.