Finding the Fourth Proportional to 275,534.20, 380,249.79 and 153,027.06
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Solution
The fourth proportional to 275,534.20, 380,249.79 and 153,027.06 is: 211,184.34
Step by Step Solution
- Step 1: Write the proportion equation
275,534.20 : 380,249.79 = 153,027.06 : x - Step 2: Convert to fraction form
275,534.20/380,249.79 = 153,027.06/x - Step 3: Cross multiply
275,534.20x = 380,249.79 × 153,027.06 - Step 4: Simplify right side
275,534.20x = 58,188,506,577.23 - Step 5: Solve for x
x = 58,188,506,577.23/275,534.20 - Step 6: Final answer
x = 211,184.34
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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.