Finding the Fourth Proportional to 118,277.81, 177,351.07 and 39,348.95
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Solution
The fourth proportional to 118,277.81, 177,351.07 and 39,348.95 is: 59,001.58
Step by Step Solution
- Step 1: Write the proportion equation
118,277.81 : 177,351.07 = 39,348.95 : x - Step 2: Convert to fraction form
118,277.81/177,351.07 = 39,348.95/x - Step 3: Cross multiply
118,277.81x = 177,351.07 × 39,348.95 - Step 4: Simplify right side
118,277.81x = 6,978,577,302.38 - Step 5: Solve for x
x = 6,978,577,302.38/118,277.81 - Step 6: Final answer
x = 59,001.58
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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.