Finding the Fourth Proportional to 197,246.27, 272,133.37 and 112,303.19
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Solution
The fourth proportional to 197,246.27, 272,133.37 and 112,303.19 is: 154,940.55
Step by Step Solution
- Step 1: Write the proportion equation
197,246.27 : 272,133.37 = 112,303.19 : x - Step 2: Convert to fraction form
197,246.27/272,133.37 = 112,303.19/x - Step 3: Cross multiply
197,246.27x = 272,133.37 × 112,303.19 - Step 4: Simplify right side
197,246.27x = 30,561,446,377.16 - Step 5: Solve for x
x = 30,561,446,377.16/197,246.27 - Step 6: Final answer
x = 154,940.55
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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.