Finding the Fourth Proportional to 239,226.96, 330,121.28 and 131,794.08
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Solution
The fourth proportional to 239,226.96, 330,121.28 and 131,794.08 is: 181,869.26
Step by Step Solution
- Step 1: Write the proportion equation
239,226.96 : 330,121.28 = 131,794.08 : x - Step 2: Convert to fraction form
239,226.96/330,121.28 = 131,794.08/x - Step 3: Cross multiply
239,226.96x = 330,121.28 × 131,794.08 - Step 4: Simplify right side
239,226.96x = 43,508,030,386.02 - Step 5: Solve for x
x = 43,508,030,386.02/239,226.96 - Step 6: Final answer
x = 181,869.26
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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.