Finding the Fourth Proportional to 197,257.06, 272,138.25 and 125,624.26
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Solution
The fourth proportional to 197,257.06, 272,138.25 and 125,624.26 is: 173,312.76
Step by Step Solution
- Step 1: Write the proportion equation
197,257.06 : 272,138.25 = 125,624.26 : x - Step 2: Convert to fraction form
197,257.06/272,138.25 = 125,624.26/x - Step 3: Cross multiply
197,257.06x = 272,138.25 × 125,624.26 - Step 4: Simplify right side
197,257.06x = 34,187,166,273.95 - Step 5: Solve for x
x = 34,187,166,273.95/197,257.06 - Step 6: Final answer
x = 173,312.76
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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.