Finding the Fourth Proportional to 197,555.61, 272,626.71 and 106,911.55
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Solution
The fourth proportional to 197,555.61, 272,626.71 and 106,911.55 is: 147,537.92
Step by Step Solution
- Step 1: Write the proportion equation
197,555.61 : 272,626.71 = 106,911.55 : x - Step 2: Convert to fraction form
197,555.61/272,626.71 = 106,911.55/x - Step 3: Cross multiply
197,555.61x = 272,626.71 × 106,911.55 - Step 4: Simplify right side
197,555.61x = 29,146,943,145.22 - Step 5: Solve for x
x = 29,146,943,145.22/197,555.61 - Step 6: Final answer
x = 147,537.92
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1.5x scale
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.