Finding the Fourth Proportional to 436,941.18, 655,447.14 and 121,398.12
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Solution
The fourth proportional to 436,941.18, 655,447.14 and 121,398.12 is: 182,107.01
Step by Step Solution
- Step 1: Write the proportion equation
436,941.18 : 655,447.14 = 121,398.12 : x - Step 2: Convert to fraction form
436,941.18/655,447.14 = 121,398.12/x - Step 3: Cross multiply
436,941.18x = 655,447.14 × 121,398.12 - Step 4: Simplify right side
436,941.18x = 79,570,050,555.38 - Step 5: Solve for x
x = 79,570,050,555.38/436,941.18 - Step 6: Final answer
x = 182,107.01
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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.