Finding the Fourth Proportional to 183,937.97, 275,848.63 and 78,728.69
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Solution
The fourth proportional to 183,937.97, 275,848.63 and 78,728.69 is: 118,068.07
Step by Step Solution
- Step 1: Write the proportion equation
183,937.97 : 275,848.63 = 78,728.69 : x - Step 2: Convert to fraction form
183,937.97/275,848.63 = 78,728.69/x - Step 3: Cross multiply
183,937.97x = 275,848.63 × 78,728.69 - Step 4: Simplify right side
183,937.97x = 21,717,201,278.19 - Step 5: Solve for x
x = 21,717,201,278.19/183,937.97 - Step 6: Final answer
x = 118,068.07
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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.