Finding the Fourth Proportional to 437,115.23, 655,709.99 and 121,572.14
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Solution
The fourth proportional to 437,115.23, 655,709.99 and 121,572.14 is: 182,368.54
Step by Step Solution
- Step 1: Write the proportion equation
437,115.23 : 655,709.99 = 121,572.14 : x - Step 2: Convert to fraction form
437,115.23/655,709.99 = 121,572.14/x - Step 3: Cross multiply
437,115.23x = 655,709.99 × 121,572.14 - Step 4: Simplify right side
437,115.23x = 79,716,066,505.64 - Step 5: Solve for x
x = 79,716,066,505.64/437,115.23 - Step 6: Final answer
x = 182,368.54
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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.