Finding the Fourth Proportional to 171,873.08, 237,131.70 and 100,202.40
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Solution
The fourth proportional to 171,873.08, 237,131.70 and 100,202.40 is: 138,248.33
Step by Step Solution
- Step 1: Write the proportion equation
171,873.08 : 237,131.70 = 100,202.40 : x - Step 2: Convert to fraction form
171,873.08/237,131.70 = 100,202.40/x - Step 3: Cross multiply
171,873.08x = 237,131.70 × 100,202.40 - Step 4: Simplify right side
171,873.08x = 23,761,165,456.08 - Step 5: Solve for x
x = 23,761,165,456.08/171,873.08 - Step 6: Final answer
x = 138,248.33
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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.