Finding the Fourth Proportional to 454,022.10, 681,421.95 and 201,690.90
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Solution
The fourth proportional to 454,022.10, 681,421.95 and 201,690.90 is: 302,709.07
Step by Step Solution
- Step 1: Write the proportion equation
454,022.10 : 681,421.95 = 201,690.90 : x - Step 2: Convert to fraction form
454,022.10/681,421.95 = 201,690.90/x - Step 3: Cross multiply
454,022.10x = 681,421.95 × 201,690.90 - Step 4: Simplify right side
454,022.10x = 137,436,606,375.26 - Step 5: Solve for x
x = 137,436,606,375.26/454,022.10 - Step 6: Final answer
x = 302,709.07
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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.