Finding the Fourth Proportional to 114,278.79, 171,528.75 and 55,156.08
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Solution
The fourth proportional to 114,278.79, 171,528.75 and 55,156.08 is: 82,787.49
Step by Step Solution
- Step 1: Write the proportion equation
114,278.79 : 171,528.75 = 55,156.08 : x - Step 2: Convert to fraction form
114,278.79/171,528.75 = 55,156.08/x - Step 3: Cross multiply
114,278.79x = 171,528.75 × 55,156.08 - Step 4: Simplify right side
114,278.79x = 9,460,853,775.13 - Step 5: Solve for x
x = 9,460,853,775.13/114,278.79 - Step 6: Final answer
x = 82,787.49
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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.