Finding the Fourth Proportional to 153,944.24, 230,982.87 and 82,783.70
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Solution
The fourth proportional to 153,944.24, 230,982.87 and 82,783.70 is: 124,211.31
Step by Step Solution
- Step 1: Write the proportion equation
153,944.24 : 230,982.87 = 82,783.70 : x - Step 2: Convert to fraction form
153,944.24/230,982.87 = 82,783.70/x - Step 3: Cross multiply
153,944.24x = 230,982.87 × 82,783.70 - Step 4: Simplify right side
153,944.24x = 19,121,615,460.30 - Step 5: Solve for x
x = 19,121,615,460.30/153,944.24 - Step 6: Final answer
x = 124,211.31
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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.