Finding the Fourth Proportional to 196,252.49, 270,863.78 and 115,675.31
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Solution
The fourth proportional to 196,252.49, 270,863.78 and 115,675.31 is: 159,652.75
Step by Step Solution
- Step 1: Write the proportion equation
196,252.49 : 270,863.78 = 115,675.31 : x - Step 2: Convert to fraction form
196,252.49/270,863.78 = 115,675.31/x - Step 3: Cross multiply
196,252.49x = 270,863.78 × 115,675.31 - Step 4: Simplify right side
196,252.49x = 31,332,249,786.58 - Step 5: Solve for x
x = 31,332,249,786.58/196,252.49 - Step 6: Final answer
x = 159,652.75
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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.