Finding the Fourth Proportional to 197,818.37, 272,988.98 and 107,176.58
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Solution
The fourth proportional to 197,818.37, 272,988.98 and 107,176.58 is: 147,903.49
Step by Step Solution
- Step 1: Write the proportion equation
197,818.37 : 272,988.98 = 107,176.58 : x - Step 2: Convert to fraction form
197,818.37/272,988.98 = 107,176.58/x - Step 3: Cross multiply
197,818.37x = 272,988.98 × 107,176.58 - Step 4: Simplify right side
197,818.37x = 29,258,026,917.31 - Step 5: Solve for x
x = 29,258,026,917.31/197,818.37 - Step 6: Final answer
x = 147,903.49
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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.