Finding the Fourth Proportional to 254,306.56, 350,943.97 and 141,129.31
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Solution
The fourth proportional to 254,306.56, 350,943.97 and 141,129.31 is: 194,758.96
Step by Step Solution
- Step 1: Write the proportion equation
254,306.56 : 350,943.97 = 141,129.31 : x - Step 2: Convert to fraction form
254,306.56/350,943.97 = 141,129.31/x - Step 3: Cross multiply
254,306.56x = 350,943.97 × 141,129.31 - Step 4: Simplify right side
254,306.56x = 49,528,480,334.76 - Step 5: Solve for x
x = 49,528,480,334.76/254,306.56 - Step 6: Final answer
x = 194,758.96
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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.