Finding the Fourth Proportional to 197,403.24, 272,415.24 and 112,519.29
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Solution
The fourth proportional to 197,403.24, 272,415.24 and 112,519.29 is: 155,275.92
Step by Step Solution
- Step 1: Write the proportion equation
197,403.24 : 272,415.24 = 112,519.29 : x - Step 2: Convert to fraction form
197,403.24/272,415.24 = 112,519.29/x - Step 3: Cross multiply
197,403.24x = 272,415.24 × 112,519.29 - Step 4: Simplify right side
197,403.24x = 30,651,969,389.98 - Step 5: Solve for x
x = 30,651,969,389.98/197,403.24 - Step 6: Final answer
x = 155,275.92
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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.