Finding the Fourth Proportional to 317,542.14, 438,206.49 and 174,304.62
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Solution
The fourth proportional to 317,542.14, 438,206.49 and 174,304.62 is: 240,539.46
Step by Step Solution
- Step 1: Write the proportion equation
317,542.14 : 438,206.49 = 174,304.62 : x - Step 2: Convert to fraction form
317,542.14/438,206.49 = 174,304.62/x - Step 3: Cross multiply
317,542.14x = 438,206.49 × 174,304.62 - Step 4: Simplify right side
317,542.14x = 76,381,415,720.98 - Step 5: Solve for x
x = 76,381,415,720.98/317,542.14 - Step 6: Final answer
x = 240,539.46
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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.