Finding the Fourth Proportional to 240,056.97, 331,274.76 and 131,158.98
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Solution
The fourth proportional to 240,056.97, 331,274.76 and 131,158.98 is: 180,997.28
Step by Step Solution
- Step 1: Write the proportion equation
240,056.97 : 331,274.76 = 131,158.98 : x - Step 2: Convert to fraction form
240,056.97/331,274.76 = 131,158.98/x - Step 3: Cross multiply
240,056.97x = 331,274.76 × 131,158.98 - Step 4: Simplify right side
240,056.97x = 43,449,659,856.21 - Step 5: Solve for x
x = 43,449,659,856.21/240,056.97 - Step 6: Final answer
x = 180,997.28
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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.