Finding the Fourth Proportional to 201,433.16, 277,964.19 and 115,392.53
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Solution
The fourth proportional to 201,433.16, 277,964.19 and 115,392.53 is: 159,233.92
Step by Step Solution
- Step 1: Write the proportion equation
201,433.16 : 277,964.19 = 115,392.53 : x - Step 2: Convert to fraction form
201,433.16/277,964.19 = 115,392.53/x - Step 3: Cross multiply
201,433.16x = 277,964.19 × 115,392.53 - Step 4: Simplify right side
201,433.16x = 32,074,991,828.41 - Step 5: Solve for x
x = 32,074,991,828.41/201,433.16 - Step 6: Final answer
x = 159,233.92
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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.