Finding the Fourth Proportional to 353,987.38, 488,500.68 and 192,842.05
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Solution
The fourth proportional to 353,987.38, 488,500.68 and 192,842.05 is: 266,120.99
Step by Step Solution
- Step 1: Write the proportion equation
353,987.38 : 488,500.68 = 192,842.05 : x - Step 2: Convert to fraction form
353,987.38/488,500.68 = 192,842.05/x - Step 3: Cross multiply
353,987.38x = 488,500.68 × 192,842.05 - Step 4: Simplify right side
353,987.38x = 94,203,472,557.59 - Step 5: Solve for x
x = 94,203,472,557.59/353,987.38 - Step 6: Final answer
x = 266,120.99
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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.