Finding the Fourth Proportional to 239,336.27, 330,278.36 and 130,444.05
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Solution
The fourth proportional to 239,336.27, 330,278.36 and 130,444.05 is: 180,009.69
Step by Step Solution
- Step 1: Write the proportion equation
239,336.27 : 330,278.36 = 130,444.05 : x - Step 2: Convert to fraction form
239,336.27/330,278.36 = 130,444.05/x - Step 3: Cross multiply
239,336.27x = 330,278.36 × 130,444.05 - Step 4: Simplify right side
239,336.27x = 43,082,846,905.76 - Step 5: Solve for x
x = 43,082,846,905.76/239,336.27 - Step 6: Final answer
x = 180,009.69
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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.