Finding the Fourth Proportional to 242,850.75, 335,134.04 and 142,248.75
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Solution
The fourth proportional to 242,850.75, 335,134.04 and 142,248.75 is: 196,303.28
Step by Step Solution
- Step 1: Write the proportion equation
242,850.75 : 335,134.04 = 142,248.75 : x - Step 2: Convert to fraction form
242,850.75/335,134.04 = 142,248.75/x - Step 3: Cross multiply
242,850.75x = 335,134.04 × 142,248.75 - Step 4: Simplify right side
242,850.75x = 47,672,397,561.21 - Step 5: Solve for x
x = 47,672,397,561.21/242,850.75 - Step 6: Final answer
x = 196,303.28
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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.