Finding the Fourth Proportional to 426,133.54, 639,034.26 and 159,748.75
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Solution
The fourth proportional to 426,133.54, 639,034.26 and 159,748.75 is: 239,560.88
Step by Step Solution
- Step 1: Write the proportion equation
426,133.54 : 639,034.26 = 159,748.75 : x - Step 2: Convert to fraction form
426,133.54/639,034.26 = 159,748.75/x - Step 3: Cross multiply
426,133.54x = 639,034.26 × 159,748.75 - Step 4: Simplify right side
426,133.54x = 102,084,924,242.18 - Step 5: Solve for x
x = 102,084,924,242.18/426,133.54 - Step 6: Final answer
x = 239,560.88
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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.