Finding the Fourth Proportional to 252,842.84, 348,920.10 and 138,120.08
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Solution
The fourth proportional to 252,842.84, 348,920.10 and 138,120.08 is: 190,604.06
Step by Step Solution
- Step 1: Write the proportion equation
252,842.84 : 348,920.10 = 138,120.08 : x - Step 2: Convert to fraction form
252,842.84/348,920.10 = 138,120.08/x - Step 3: Cross multiply
252,842.84x = 348,920.10 × 138,120.08 - Step 4: Simplify right side
252,842.84x = 48,192,872,125.61 - Step 5: Solve for x
x = 48,192,872,125.61/252,842.84 - Step 6: Final answer
x = 190,604.06
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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.