Finding the Fourth Proportional to 77,283.23, 115,903.42 and 27,356.75
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Solution
The fourth proportional to 77,283.23, 115,903.42 and 27,356.75 is: 41,027.54
Step by Step Solution
- Step 1: Write the proportion equation
77,283.23 : 115,903.42 = 27,356.75 : x - Step 2: Convert to fraction form
77,283.23/115,903.42 = 27,356.75/x - Step 3: Cross multiply
77,283.23x = 115,903.42 × 27,356.75 - Step 4: Simplify right side
77,283.23x = 3,170,740,825.70 - Step 5: Solve for x
x = 3,170,740,825.70/77,283.23 - Step 6: Final answer
x = 41,027.54
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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.