Finding the Fourth Proportional to 436,953.18, 655,465.14 and 121,410.12
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Solution
The fourth proportional to 436,953.18, 655,465.14 and 121,410.12 is: 182,125.01
Step by Step Solution
- Step 1: Write the proportion equation
436,953.18 : 655,465.14 = 121,410.12 : x - Step 2: Convert to fraction form
436,953.18/655,465.14 = 121,410.12/x - Step 3: Cross multiply
436,953.18x = 655,465.14 × 121,410.12 - Step 4: Simplify right side
436,953.18x = 79,580,101,303.22 - Step 5: Solve for x
x = 79,580,101,303.22/436,953.18 - Step 6: Final answer
x = 182,125.01
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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.