Finding the Fourth Proportional to 157,125.99, 235,725.84 and 51,944.25
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Solution
The fourth proportional to 157,125.99, 235,725.84 and 51,944.25 is: 77,928.56
Step by Step Solution
- Step 1: Write the proportion equation
157,125.99 : 235,725.84 = 51,944.25 : x - Step 2: Convert to fraction form
157,125.99/235,725.84 = 51,944.25/x - Step 3: Cross multiply
157,125.99x = 235,725.84 × 51,944.25 - Step 4: Simplify right side
157,125.99x = 12,244,601,964.42 - Step 5: Solve for x
x = 12,244,601,964.42/157,125.99 - Step 6: Final answer
x = 77,928.56
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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.