Finding the Fourth Proportional to 239,350.23, 330,288.48 and 131,921.16
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Solution
The fourth proportional to 239,350.23, 330,288.48 and 131,921.16 is: 182,043.02
Step by Step Solution
- Step 1: Write the proportion equation
239,350.23 : 330,288.48 = 131,921.16 : x - Step 2: Convert to fraction form
239,350.23/330,288.48 = 131,921.16/x - Step 3: Cross multiply
239,350.23x = 330,288.48 × 131,921.16 - Step 4: Simplify right side
239,350.23x = 43,572,039,416.24 - Step 5: Solve for x
x = 43,572,039,416.24/239,350.23 - Step 6: Final answer
x = 182,043.02
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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.