Finding the Fourth Proportional to 197,257.81, 272,139.28 and 125,625.01
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Solution
The fourth proportional to 197,257.81, 272,139.28 and 125,625.01 is: 173,313.80
Step by Step Solution
- Step 1: Write the proportion equation
197,257.81 : 272,139.28 = 125,625.01 : x - Step 2: Convert to fraction form
197,257.81/272,139.28 = 125,625.01/x - Step 3: Cross multiply
197,257.81x = 272,139.28 × 125,625.01 - Step 4: Simplify right side
197,257.81x = 34,187,499,771.39 - Step 5: Solve for x
x = 34,187,499,771.39/197,257.81 - Step 6: Final answer
x = 173,313.80
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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.