Finding the Fourth Proportional to 197,132.38, 272,042.76 and 106,488.34
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Solution
The fourth proportional to 197,132.38, 272,042.76 and 106,488.34 is: 146,953.95
Step by Step Solution
- Step 1: Write the proportion equation
197,132.38 : 272,042.76 = 106,488.34 : x - Step 2: Convert to fraction form
197,132.38/272,042.76 = 106,488.34/x - Step 3: Cross multiply
197,132.38x = 272,042.76 × 106,488.34 - Step 4: Simplify right side
197,132.38x = 28,969,381,921.42 - Step 5: Solve for x
x = 28,969,381,921.42/197,132.38 - Step 6: Final answer
x = 146,953.95
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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.