Finding the Fourth Proportional to 157,278.95, 217,252.68 and 116,525.87
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Solution
The fourth proportional to 157,278.95, 217,252.68 and 116,525.87 is: 160,959.60
Step by Step Solution
- Step 1: Write the proportion equation
157,278.95 : 217,252.68 = 116,525.87 : x - Step 2: Convert to fraction form
157,278.95/217,252.68 = 116,525.87/x - Step 3: Cross multiply
157,278.95x = 217,252.68 × 116,525.87 - Step 4: Simplify right side
157,278.95x = 25,315,557,546.83 - Step 5: Solve for x
x = 25,315,557,546.83/157,278.95 - Step 6: Final answer
x = 160,959.60
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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.