Finding the Fourth Proportional to 436,709.54, 655,064.58 and 121,166.84
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Solution
The fourth proportional to 436,709.54, 655,064.58 and 121,166.84 is: 181,750.33
Step by Step Solution
- Step 1: Write the proportion equation
436,709.54 : 655,064.58 = 121,166.84 : x - Step 2: Convert to fraction form
436,709.54/655,064.58 = 121,166.84/x - Step 3: Cross multiply
436,709.54x = 655,064.58 × 121,166.84 - Step 4: Simplify right side
436,709.54x = 79,372,105,154.53 - Step 5: Solve for x
x = 79,372,105,154.53/436,709.54 - Step 6: Final answer
x = 181,750.33
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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.