Finding the Fourth Proportional to 254,119.36, 350,679.36 and 140,939.68
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Solution
The fourth proportional to 254,119.36, 350,679.36 and 140,939.68 is: 194,493.79
Step by Step Solution
- Step 1: Write the proportion equation
254,119.36 : 350,679.36 = 140,939.68 : x - Step 2: Convert to fraction form
254,119.36/350,679.36 = 140,939.68/x - Step 3: Cross multiply
254,119.36x = 350,679.36 × 140,939.68 - Step 4: Simplify right side
254,119.36x = 49,424,636,781.00 - Step 5: Solve for x
x = 49,424,636,781.00/254,119.36 - Step 6: Final answer
x = 194,493.79
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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.