Finding the Fourth Proportional to 239,150.19, 330,042.23 and 131,720.18
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Solution
The fourth proportional to 239,150.19, 330,042.23 and 131,720.18 is: 181,782.09
Step by Step Solution
- Step 1: Write the proportion equation
239,150.19 : 330,042.23 = 131,720.18 : x - Step 2: Convert to fraction form
239,150.19/330,042.23 = 131,720.18/x - Step 3: Cross multiply
239,150.19x = 330,042.23 × 131,720.18 - Step 4: Simplify right side
239,150.19x = 43,473,221,943.20 - Step 5: Solve for x
x = 43,473,221,943.20/239,150.19 - Step 6: Final answer
x = 181,782.09
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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.