Finding the Fourth Proportional to 243,202.23, 335,616.03 and 135,774.09
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Solution
The fourth proportional to 243,202.23, 335,616.03 and 135,774.09 is: 187,366.54
Step by Step Solution
- Step 1: Write the proportion equation
243,202.23 : 335,616.03 = 135,774.09 : x - Step 2: Convert to fraction form
243,202.23/335,616.03 = 135,774.09/x - Step 3: Cross multiply
243,202.23x = 335,616.03 × 135,774.09 - Step 4: Simplify right side
243,202.23x = 45,567,961,062.66 - Step 5: Solve for x
x = 45,567,961,062.66/243,202.23 - Step 6: Final answer
x = 187,366.54
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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.