Finding the Fourth Proportional to 222,444.36, 306,973.62 and 120,469.53
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Solution
The fourth proportional to 222,444.36, 306,973.62 and 120,469.53 is: 166,248.17
Step by Step Solution
- Step 1: Write the proportion equation
222,444.36 : 306,973.62 = 120,469.53 : x - Step 2: Convert to fraction form
222,444.36/306,973.62 = 120,469.53/x - Step 3: Cross multiply
222,444.36x = 306,973.62 × 120,469.53 - Step 4: Simplify right side
222,444.36x = 36,980,967,723.80 - Step 5: Solve for x
x = 36,980,967,723.80/222,444.36 - Step 6: Final answer
x = 166,248.17
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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.