Finding the Fourth Proportional to 353,268.97, 487,506.47 and 192,120.55
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Solution
The fourth proportional to 353,268.97, 487,506.47 and 192,120.55 is: 265,123.79
Step by Step Solution
- Step 1: Write the proportion equation
353,268.97 : 487,506.47 = 192,120.55 : x - Step 2: Convert to fraction form
353,268.97/487,506.47 = 192,120.55/x - Step 3: Cross multiply
353,268.97x = 487,506.47 × 192,120.55 - Step 4: Simplify right side
353,268.97x = 93,660,008,965.59 - Step 5: Solve for x
x = 93,660,008,965.59/353,268.97 - Step 6: Final answer
x = 265,123.79
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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.