Finding the Fourth Proportional to 155,106.14, 232,705.92 and 55,253.30
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Solution
The fourth proportional to 155,106.14, 232,705.92 and 55,253.30 is: 82,896.59
Step by Step Solution
- Step 1: Write the proportion equation
155,106.14 : 232,705.92 = 55,253.30 : x - Step 2: Convert to fraction form
155,106.14/232,705.92 = 55,253.30/x - Step 3: Cross multiply
155,106.14x = 232,705.92 × 55,253.30 - Step 4: Simplify right side
155,106.14x = 12,857,770,009.54 - Step 5: Solve for x
x = 12,857,770,009.54/155,106.14 - Step 6: Final answer
x = 82,896.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.