Finding the Fourth Proportional to 254,747.98, 381,539.24 and 121,721.74
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Solution
The fourth proportional to 254,747.98, 381,539.24 and 121,721.74 is: 182,304.17
Step by Step Solution
- Step 1: Write the proportion equation
254,747.98 : 381,539.24 = 121,721.74 : x - Step 2: Convert to fraction form
254,747.98/381,539.24 = 121,721.74/x - Step 3: Cross multiply
254,747.98x = 381,539.24 × 121,721.74 - Step 4: Simplify right side
254,747.98x = 46,441,620,171.08 - Step 5: Solve for x
x = 46,441,620,171.08/254,747.98 - Step 6: Final answer
x = 182,304.17
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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.