Finding the Fourth Proportional to 197,808.84, 272,977.02 and 107,164.98
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Solution
The fourth proportional to 197,808.84, 272,977.02 and 107,164.98 is: 147,888.12
Step by Step Solution
- Step 1: Write the proportion equation
197,808.84 : 272,977.02 = 107,164.98 : x - Step 2: Convert to fraction form
197,808.84/272,977.02 = 107,164.98/x - Step 3: Cross multiply
197,808.84x = 272,977.02 × 107,164.98 - Step 4: Simplify right side
197,808.84x = 29,253,576,888.76 - Step 5: Solve for x
x = 29,253,576,888.76/197,808.84 - Step 6: Final answer
x = 147,888.12
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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.