Finding the Fourth Proportional to 197,555.34, 272,626.35 and 106,911.31
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Solution
The fourth proportional to 197,555.34, 272,626.35 and 106,911.31 is: 147,537.60
Step by Step Solution
- Step 1: Write the proportion equation
197,555.34 : 272,626.35 = 106,911.31 : x - Step 2: Convert to fraction form
197,555.34/272,626.35 = 106,911.31/x - Step 3: Cross multiply
197,555.34x = 272,626.35 × 106,911.31 - Step 4: Simplify right side
197,555.34x = 29,146,840,219.02 - Step 5: Solve for x
x = 29,146,840,219.02/197,555.34 - Step 6: Final answer
x = 147,537.60
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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.