Finding the Fourth Proportional to 197,367.13, 272,373.11 and 107,943.13
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Solution
The fourth proportional to 197,367.13, 272,373.11 and 107,943.13 is: 148,965.06
Step by Step Solution
- Step 1: Write the proportion equation
197,367.13 : 272,373.11 = 107,943.13 : x - Step 2: Convert to fraction form
197,367.13/272,373.11 = 107,943.13/x - Step 3: Cross multiply
197,367.13x = 272,373.11 × 107,943.13 - Step 4: Simplify right side
197,367.13x = 29,400,806,021.23 - Step 5: Solve for x
x = 29,400,806,021.23/197,367.13 - Step 6: Final answer
x = 148,965.06
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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.