Finding the Fourth Proportional to 201,267.18, 277,742.84 and 115,223.31
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Solution
The fourth proportional to 201,267.18, 277,742.84 and 115,223.31 is: 159,004.81
Step by Step Solution
- Step 1: Write the proportion equation
201,267.18 : 277,742.84 = 115,223.31 : x - Step 2: Convert to fraction form
201,267.18/277,742.84 = 115,223.31/x - Step 3: Cross multiply
201,267.18x = 277,742.84 × 115,223.31 - Step 4: Simplify right side
201,267.18x = 32,002,448,625.12 - Step 5: Solve for x
x = 32,002,448,625.12/201,267.18 - Step 6: Final answer
x = 159,004.81
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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.