Finding the Fourth Proportional to 250,912.33, 346,259.36 and 136,190.99
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Solution
The fourth proportional to 250,912.33, 346,259.36 and 136,190.99 is: 187,943.76
Step by Step Solution
- Step 1: Write the proportion equation
250,912.33 : 346,259.36 = 136,190.99 : x - Step 2: Convert to fraction form
250,912.33/346,259.36 = 136,190.99/x - Step 3: Cross multiply
250,912.33x = 346,259.36 × 136,190.99 - Step 4: Simplify right side
250,912.33x = 47,157,406,241.29 - Step 5: Solve for x
x = 47,157,406,241.29/250,912.33 - Step 6: Final answer
x = 187,943.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.