Finding the Fourth Proportional to 276,431.75, 381,593.52 and 185,840.26
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Solution
The fourth proportional to 276,431.75, 381,593.52 and 185,840.26 is: 256,538.69
Step by Step Solution
- Step 1: Write the proportion equation
276,431.75 : 381,593.52 = 185,840.26 : x - Step 2: Convert to fraction form
276,431.75/381,593.52 = 185,840.26/x - Step 3: Cross multiply
276,431.75x = 381,593.52 × 185,840.26 - Step 4: Simplify right side
276,431.75x = 70,915,438,017.13 - Step 5: Solve for x
x = 70,915,438,017.13/276,431.75 - Step 6: Final answer
x = 256,538.69
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1.5x scale
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.