Finding the Fourth Proportional to 197,469.42, 272,506.53 and 106,825.02
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Solution
The fourth proportional to 197,469.42, 272,506.53 and 106,825.02 is: 147,417.84
Step by Step Solution
- Step 1: Write the proportion equation
197,469.42 : 272,506.53 = 106,825.02 : x - Step 2: Convert to fraction form
197,469.42/272,506.53 = 106,825.02/x - Step 3: Cross multiply
197,469.42x = 272,506.53 × 106,825.02 - Step 4: Simplify right side
197,469.42x = 29,110,515,517.38 - Step 5: Solve for x
x = 29,110,515,517.38/197,469.42 - Step 6: Final answer
x = 147,417.84
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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.