Finding the Fourth Proportional to 197,472.92, 272,511.36 and 106,828.52
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Solution
The fourth proportional to 197,472.92, 272,511.36 and 106,828.52 is: 147,422.67
Step by Step Solution
- Step 1: Write the proportion equation
197,472.92 : 272,511.36 = 106,828.52 : x - Step 2: Convert to fraction form
197,472.92/272,511.36 = 106,828.52/x - Step 3: Cross multiply
197,472.92x = 272,511.36 × 106,828.52 - Step 4: Simplify right side
197,472.92x = 29,111,985,271.99 - Step 5: Solve for x
x = 29,111,985,271.99/197,472.92 - Step 6: Final answer
x = 147,422.67
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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.