Finding the Fourth Proportional to 200,727.11, 277,002.99 and 115,844.18
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Solution
The fourth proportional to 200,727.11, 277,002.99 and 115,844.18 is: 159,864.72
Step by Step Solution
- Step 1: Write the proportion equation
200,727.11 : 277,002.99 = 115,844.18 : x - Step 2: Convert to fraction form
200,727.11/277,002.99 = 115,844.18/x - Step 3: Cross multiply
200,727.11x = 277,002.99 × 115,844.18 - Step 4: Simplify right side
200,727.11x = 32,089,182,849.08 - Step 5: Solve for x
x = 32,089,182,849.08/200,727.11 - Step 6: Final answer
x = 159,864.72
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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.