Finding the Fourth Proportional to 197,133.37, 272,044.14 and 106,489.33
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Solution
The fourth proportional to 197,133.37, 272,044.14 and 106,489.33 is: 146,955.32
Step by Step Solution
- Step 1: Write the proportion equation
197,133.37 : 272,044.14 = 106,489.33 : x - Step 2: Convert to fraction form
197,133.37/272,044.14 = 106,489.33/x - Step 3: Cross multiply
197,133.37x = 272,044.14 × 106,489.33 - Step 4: Simplify right side
197,133.37x = 28,969,798,199.03 - Step 5: Solve for x
x = 28,969,798,199.03/197,133.37 - Step 6: Final answer
x = 146,955.32
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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.