Finding the Fourth Proportional to 320,154.20, 441,819.14 and 174,968.97
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Solution
The fourth proportional to 320,154.20, 441,819.14 and 174,968.97 is: 241,460.64
Step by Step Solution
- Step 1: Write the proportion equation
320,154.20 : 441,819.14 = 174,968.97 : x - Step 2: Convert to fraction form
320,154.20/441,819.14 = 174,968.97/x - Step 3: Cross multiply
320,154.20x = 441,819.14 × 174,968.97 - Step 4: Simplify right side
320,154.20x = 77,304,638,977.24 - Step 5: Solve for x
x = 77,304,638,977.24/320,154.20 - Step 6: Final answer
x = 241,460.64
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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.