Finding the Fourth Proportional to 239,399.99, 330,368.41 and 131,967.71
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Solution
The fourth proportional to 239,399.99, 330,368.41 and 131,967.71 is: 182,113.47
Step by Step Solution
- Step 1: Write the proportion equation
239,399.99 : 330,368.41 = 131,967.71 : x - Step 2: Convert to fraction form
239,399.99/330,368.41 = 131,967.71/x - Step 3: Cross multiply
239,399.99x = 330,368.41 × 131,967.71 - Step 4: Simplify right side
239,399.99x = 43,597,962,524.04 - Step 5: Solve for x
x = 43,597,962,524.04/239,399.99 - Step 6: Final answer
x = 182,113.47
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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.