Finding the Fourth Proportional to 353,732.41, 488,147.79 and 192,587.14
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Solution
The fourth proportional to 353,732.41, 488,147.79 and 192,587.14 is: 265,768.65
Step by Step Solution
- Step 1: Write the proportion equation
353,732.41 : 488,147.79 = 192,587.14 : x - Step 2: Convert to fraction form
353,732.41/488,147.79 = 192,587.14/x - Step 3: Cross multiply
353,732.41x = 488,147.79 × 192,587.14 - Step 4: Simplify right side
353,732.41x = 94,010,986,773.42 - Step 5: Solve for x
x = 94,010,986,773.42/353,732.41 - Step 6: Final answer
x = 265,768.65
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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.