Finding the Fourth Proportional to 197,256.81, 272,137.91 and 125,624.01
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Solution
The fourth proportional to 197,256.81, 272,137.91 and 125,624.01 is: 173,312.42
Step by Step Solution
- Step 1: Write the proportion equation
197,256.81 : 272,137.91 = 125,624.01 : x - Step 2: Convert to fraction form
197,256.81/272,137.91 = 125,624.01/x - Step 3: Cross multiply
197,256.81x = 272,137.91 × 125,624.01 - Step 4: Simplify right side
197,256.81x = 34,187,054,899.10 - Step 5: Solve for x
x = 34,187,054,899.10/197,256.81 - Step 6: Final answer
x = 173,312.42
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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.