Finding the Fourth Proportional to 254,175.12, 350,756.20 and 157,353.20
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Solution
The fourth proportional to 254,175.12, 350,756.20 and 157,353.20 is: 217,144.03
Step by Step Solution
- Step 1: Write the proportion equation
254,175.12 : 350,756.20 = 157,353.20 : x - Step 2: Convert to fraction form
254,175.12/350,756.20 = 157,353.20/x - Step 3: Cross multiply
254,175.12x = 350,756.20 × 157,353.20 - Step 4: Simplify right side
254,175.12x = 55,192,610,489.84 - Step 5: Solve for x
x = 55,192,610,489.84/254,175.12 - Step 6: Final answer
x = 217,144.03
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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.