Finding the Fourth Proportional to 197,124.11, 272,031.38 and 106,480.07
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Solution
The fourth proportional to 197,124.11, 272,031.38 and 106,480.07 is: 146,942.55
Step by Step Solution
- Step 1: Write the proportion equation
197,124.11 : 272,031.38 = 106,480.07 : x - Step 2: Convert to fraction form
197,124.11/272,031.38 = 106,480.07/x - Step 3: Cross multiply
197,124.11x = 272,031.38 × 106,480.07 - Step 4: Simplify right side
197,124.11x = 28,965,920,532.27 - Step 5: Solve for x
x = 28,965,920,532.27/197,124.11 - Step 6: Final answer
x = 146,942.55
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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.