Finding the Fourth Proportional to 192,678.36, 265,904.52 and 119,107.08
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Solution
The fourth proportional to 192,678.36, 265,904.52 and 119,107.08 is: 164,372.95
Step by Step Solution
- Step 1: Write the proportion equation
192,678.36 : 265,904.52 = 119,107.08 : x - Step 2: Convert to fraction form
192,678.36/265,904.52 = 119,107.08/x - Step 3: Cross multiply
192,678.36x = 265,904.52 × 119,107.08 - Step 4: Simplify right side
192,678.36x = 31,671,110,936.00 - Step 5: Solve for x
x = 31,671,110,936.00/192,678.36 - Step 6: Final answer
x = 164,372.95
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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.