Finding the Fourth Proportional to 239,939.43, 360,130.55 and 121,693.81
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Solution
The fourth proportional to 239,939.43, 360,130.55 and 121,693.81 is: 182,653.00
Step by Step Solution
- Step 1: Write the proportion equation
239,939.43 : 360,130.55 = 121,693.81 : x - Step 2: Convert to fraction form
239,939.43/360,130.55 = 121,693.81/x - Step 3: Cross multiply
239,939.43x = 360,130.55 × 121,693.81 - Step 4: Simplify right side
239,939.43x = 43,825,657,218.10 - Step 5: Solve for x
x = 43,825,657,218.10/239,939.43 - Step 6: Final answer
x = 182,653.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.