Finding the Fourth Proportional to 239,659.09, 330,652.28 and 159,102.16
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Solution
The fourth proportional to 239,659.09, 330,652.28 and 159,102.16 is: 219,509.69
Step by Step Solution
- Step 1: Write the proportion equation
239,659.09 : 330,652.28 = 159,102.16 : x - Step 2: Convert to fraction form
239,659.09/330,652.28 = 159,102.16/x - Step 3: Cross multiply
239,659.09x = 330,652.28 × 159,102.16 - Step 4: Simplify right side
239,659.09x = 52,607,491,528.05 - Step 5: Solve for x
x = 52,607,491,528.05/239,659.09 - Step 6: Final answer
x = 219,509.69
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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.