Finding the Fourth Proportional to 239,318.57, 330,296.11 and 181,864.26
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Solution
The fourth proportional to 239,318.57, 330,296.11 and 181,864.26 is: 251,000.40
Step by Step Solution
- Step 1: Write the proportion equation
239,318.57 : 330,296.11 = 181,864.26 : x - Step 2: Convert to fraction form
239,318.57/330,296.11 = 181,864.26/x - Step 3: Cross multiply
239,318.57x = 330,296.11 × 181,864.26 - Step 4: Simplify right side
239,318.57x = 60,069,057,171.37 - Step 5: Solve for x
x = 60,069,057,171.37/239,318.57 - Step 6: Final answer
x = 251,000.40
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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.