Finding the Fourth Proportional to 353,648.94, 488,034.99 and 192,503.49
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Solution
The fourth proportional to 353,648.94, 488,034.99 and 192,503.49 is: 265,654.52
Step by Step Solution
- Step 1: Write the proportion equation
353,648.94 : 488,034.99 = 192,503.49 : x - Step 2: Convert to fraction form
353,648.94/488,034.99 = 192,503.49/x - Step 3: Cross multiply
353,648.94x = 488,034.99 × 192,503.49 - Step 4: Simplify right side
353,648.94x = 93,948,438,817.12 - Step 5: Solve for x
x = 93,948,438,817.12/353,648.94 - Step 6: Final answer
x = 265,654.52
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1.5x scale
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.